The Crank That Killed a Man
On a winter day in 1910, Byron Carter — a friend of Cadillac founder
Henry Leland, an automobile man himself, the kind of genteel mechanic-entrepreneur the early industry seemed to produce by the dozen — stopped on a Detroit bridge to help a woman whose car had stalled. He inserted the iron hand crank into the front of her Cadillac, turned it with the proper vigor, and the engine backfired. The crank snapped back into his jaw. The blow shattered bone. Complications followed — gangrene, some accounts say; septicemia, others — and within weeks Byron Carter was dead, killed by the very machine he had devoted his professional life to perfecting.
Henry Leland, seventy years old and not a man given to sentimentality, took the death personally. He was already running one of the finest automobile companies in America, already producing a car that had won the prestigious Dewar Trophy for standardized parts, and the idea that his product — his Cadillac — required an act of physical violence to start offended him at the level of engineering principle. Leland's own team had tried to build an electric starter. The prototypes were too large, too heavy, too hungry for current. The laws of electrical engineering, as conventionally understood, seemed to forbid what Leland wanted: a motor small and light enough to fit inside an automobile, yet powerful enough to turn over an engine.
So he went looking for someone who didn't understand those laws conventionally.
The man he found was a thirty-five-year-old electrical engineer from Loudonville, Ohio, who had never built anything for an automobile in his life. Charles Franklin Kettering — farmer's son, former schoolteacher, twice a college dropout, and, at the time of Leland's inquiry, the inventor of a device that opened cash register drawers with the push of a button. The conceptual leap from cash registers to self-starters seemed absurd. It was, in fact, the foundational insight of Kettering's entire career: that problems in one domain are usually problems already solved in another, and the person most dangerous to orthodoxy is the one who never learned it.
By 1912, every Cadillac rolling off the line carried Kettering's electric self-starter. By the 1920s, the hand crank was a relic. Byron Carter's death had been avenged by a man whose most relevant qualification was that he knew how to make a small motor spin in short, intense bursts — and had the sense to realize that starting an automobile engine and opening a cash register drawer were, electrically speaking, the same problem.
By the Numbers
Charles F. Kettering
186U.S. patents held
27Years as VP of GM Research (1920–1947)
$2.5MSale price of Delco to GM (1916)
1912Year the electric self-starter debuted on the Cadillac
82Age at death, November 25, 1958
1927Year he founded the Kettering Foundation
140+Automotive innovations developed under his GM leadership
Kettering was born on August 29, 1876, on a farm near Loudonville, a small town in Ashland County, Ohio — forty miles northeast of Columbus, deep enough into the rolling hill country that the family's connection to the wider world was measured in the distance to the nearest railroad stop. His father, Jacob Kettering, farmed. His mother, Martha Hunter Kettering, ran the household with the kind of exacting moral discipline that produced either rebels or engineers. She got an engineer.
He was the fourth of five children, unremarkable in his early years except for two things: a talent for mechanical tinkering that revealed itself almost involuntarily, and a pair of eyes that would torment him for the rest of his life. The eyesight problem was severe enough to derail his education not once but twice, and it shaped his personality in ways that are easy to underestimate. A boy who can't read for long stretches learns to think in systems rather than texts. He observes. He listens. He figures out how things work by taking them apart, because the page won't hold still long enough to tell him.
The story that later biographers loved to tell — and that Kettering himself enjoyed retelling — was about his first $14. He earned it cutting wheat on a neighbor's farm, and with the money he bought a telephone from a mail-order house. He did not use the telephone. He dismantled it. Studied the components. Rebuilt it. The telephone was not interesting as a communications device. It was interesting as a system — coils, magnets, diaphragms, the conversion of sound into electrical signal and back again. This was 1890, perhaps 1891. He was fourteen or fifteen years old.
After high school, Kettering taught at a one-room schoolhouse. He entered the College of Wooster, left because his eyes couldn't tolerate the reading. Came back to teaching. Entered Ohio State University as an electrical engineering major, left again — same problem. Took a job on a telephone line crew, stringing wire across the Ohio countryside, which gave him practical training in electrical systems and, perhaps more importantly, convinced him that he could not bear a life without a degree. He returned to Ohio State a third time. This time he stayed. He graduated in 1904, at the age of twenty-eight — six or seven years older than most of his classmates, half-blind, and ferociously determined.
Years later, rich and famous and asked to reflect on his childhood, Kettering said: "I am enthusiastic about being an American because I came from the hills in Ohio. I was a hillbilly. I didn't know at that time that I was an underprivileged person because I had to drive the cows through the frosty grass and stand in a nice warm spot where a cow had lain to warm my bare feet. I thought that was wonderful."
The remark is characteristic. It contains real sentiment and real deflection in equal measure. Kettering was not, in fact, sentimental about poverty. He was sentimental about not knowing — about the productive ignorance of a boy who hasn't been told what's impossible.
The National Cash Register of the Soul
The company that made Kettering was not an automobile manufacturer. It was the National Cash Register Company, based in Dayton, Ohio, and run by one of the most brilliantly ruthless executives in American industrial history: John Henry Patterson. Patterson — who had bought a small cash register business in 1884 and built it into a near-monopoly through a combination of innovative sales training, relentless competitive warfare, and behavior that would later result in federal antitrust charges — had a gift for spotting talent. He collected engineers the way other tycoons collected art.
NCR hired Kettering straight out of Ohio State in 1904, designating him their "electrical inventor." The title sounds quaint. The mandate was enormous. NCR's cash registers were entirely mechanical — hand-cranked devices operated by store clerks. Kettering was hired to drag the product line into the electrical age.
His first significant innovation at NCR was a system that let a central department store office approve credit sales from any counter on the floor. He coupled existing telephones at the sales counters to solenoid-operated stamping machines, creating what was, in essence, a forerunner of the credit card system — or at least its physical infrastructure. It increased NCR's sales to department stores, many of which had previously resisted cash registers. It earned Kettering a promotion to head of a nine-person inventions department.
Then came the insight that would define his career. In early 1905, Kettering began designing an electrically powered cash register. The conventional wisdom held that you'd need a continuously running motor to power such a device, and a continuously running motor would be far too large and too power-hungry to fit inside a standard cash register enclosure. Kettering looked at the problem and saw that everyone was solving the wrong version of it. The motor didn't need to run continuously. It needed to operate in short, intense bursts — a quick spin to open the drawer, then stop. This meant you could use a motor far smaller than anyone thought possible, because you were designing for peak torque over a fraction of a second, not sustained output.
NCR introduced its first electric cash register in 1906. Within two years, Kettering had designed an even more complex version for restaurants — one that produced duplicate stubs, divided totals into subcategories (food, beverages, cigars), and could subtract as well as add.
The cash register work seems like a footnote now. It wasn't. It was the laboratory in which Kettering developed his two signature intellectual moves: the cross-domain analogy (an insight from telephony applied to retail machinery) and the reframing of constraints (a motor that works in bursts, not continuously). Every major invention of his career — the self-starter, the improved ignition system, the lightweight diesel — would deploy one or both of these moves.
At NCR, Kettering also met Edward A. Deeds, a fellow engineer who would become his lifelong business partner, co-conspirator, and financial counterweight. Where Kettering was restless, inventive, and inclined to follow a problem wherever it led, Deeds was organizational, strategic, and focused on the question Kettering sometimes forgot to ask: Can we sell this?
The Barn Gang
Around 1907, while still employed at NCR, Kettering and Deeds began gathering a small group of fellow engineers — most of them also NCR men — in Deeds' barn on the outskirts of Dayton. They met on evenings and weekends. The barn had no formal name, no charter, no organizational structure. They were tinkerers with day jobs, pooling skills and spare hours to work on improvements to the automobile. History would remember them as the "Barn Gang."
What drew Kettering to the automobile was not the machine itself but its electrical system — or rather, the pathetic inadequacy of its electrical system. In 1907, the only electrical component on a gasoline-powered car was the ignition. American automobiles used non-rechargeable dry cell batteries to produce the spark that ignited the fuel-air mixture in the cylinders. The batteries died every few hundred miles and had to be replaced. It was, to an electrical engineer's eye, a humiliation.
Kettering adapted the magnetic relay from his cash register work into a new ignition device — one that could produce a reliable, repeatable spark from a single coil. The idea was straightforward: instead of relying on expendable batteries, use an engine-driven generator to produce electricity continuously, feeding it through a precisely timed relay to the spark plugs. He filed for patents. The device worked.
In 1909, Kettering resigned from NCR. He and Deeds incorporated the Dayton Engineering Laboratories Company — Delco — and set up shop in the barn where the whole enterprise had begun. They had no venture capital, no board of directors, no business plan in the modern sense. What they had was a product that solved a genuine problem and a roster of engineers who understood that the automobile, barely a decade old as a commercial proposition, was full of problems waiting to be solved.
The self-starter commission from Henry Leland arrived in 1910 or 1911, depending on the account. Leland's own engineers had already built a prototype starter motor, but it was too large to fit inside a car. Kettering's team at Delco spent the next year or more refining the concept. The key insight — again — was the burst-power principle from the cash register motor. An automobile engine doesn't need continuous cranking. It needs a brief, violent rotation to overcome compression and initiate combustion. A motor designed for that specific task could be far smaller than one designed for continuous duty.
The final design was presented to Leland in 1911. It was approved for production on the 1912 Cadillac. The electric self-starter, combined with a new electrical ignition and lighting system, transformed the automobile from a machine that required physical strength and mechanical knowledge to operate into something approaching a consumer appliance. Sales to women, in particular, skyrocketed — not because women were incapable of hand-cranking an engine, but because nobody wanted to.
Progress has come about when an unusual man broke loose and independently on his own started something different. The usual man seldom makes inventions or strikes out new directions or blazes new trails or advances our frontiers of knowledge and understanding.
The Electrification of Everything
Between 1912 and 1916, Delco expanded with a velocity that startled even its founders. The self-starter was only the beginning. Kettering and his team developed complete electrical systems — starting, ignition, and lighting, integrated into a single architecture — that became the standard for the industry. But Kettering's ambitions extended beyond the automobile.
He looked at rural America and saw the same problem he'd seen in the cash register and the automobile: a domain starved of electricity. Millions of American farms in the 1910s had no access to the power grid. The wire-supply infrastructure simply didn't reach them. Kettering designed the Delco Light Generator — a self-contained system consisting of a gasoline engine, an electric generator, and lead-acid storage batteries, all equipped with his signature electric starter switch. The unit could power lights, pumps, and small appliances. It extended the useful hours of the day for farm families and, in the less tangible but perhaps more important dimension, reduced the psychic isolation of rural life.
The Delco Light became a commercial success that rivaled the self-starter. It brought electricity to farms across the Midwest and South years before the Rural Electrification Administration would begin wiring the countryside. Kettering, the farm boy from Loudonville, had built a machine that could have transformed his own childhood.
In 1916, Kettering and Deeds sold their interests in Delco to United Motors Company for $2.5 million — the equivalent of roughly $60 million today. United Motors was subsequently acquired by General Motors in 1918. Delco became the foundation of GM's research division, and Kettering became, almost by default, the man responsible for the technological future of the largest industrial corporation on earth.
That same year, 1916, Kettering gave a talk at the YMCA in Flint, Michigan — a factory town utterly dominated by GM — about the importance of practical education. The talk inspired the YMCA's Industrial Committee to create a School of Automotive Trades for factory workers, which became the Flint Institute of Technology in 1919, then General Motors Institute in 1926. The school's curriculum centered on hands-on experience: cooperative programs where students alternated between classroom instruction and factory work. "The theory should supplement the practice and not precede it," Kettering insisted. It was a pedagogical philosophy rooted in his own experience — the boy who dismantled the telephone, the engineer who solved the starter problem by not knowing it was supposed to be impossible. In 1998, long after Kettering's death, the school was renamed Kettering University.
The Aerial Torpedo and Other Enthusiasms
Kettering's mind did not stay within the boundaries of any single industry. In 1917, as the United States entered World War I, he and Deeds joined Orville Wright — another Dayton man, another self-taught engineer, another product of the tinkering culture that seemed to sprout from the Ohio soil like corn — in founding the Dayton-Wright Airplane Company. The company manufactured aircraft for the war effort. But Kettering's most striking contribution was something else entirely: the Kettering Bug.
The Bug was a small unmanned biplane — twelve-foot cardboard wings, a 40-horsepower engine, a 180-pound explosive warhead. It was designed to fly to a predetermined target using a system of pneumatic and electrical controls, then detach its wings and plunge to earth as a guided bomb. It was, in essence, the world's first cruise missile — or at the very least, the first aerial torpedo that used preset guidance rather than a human pilot.
The technology was crude. The guidance system was rudimentary. The war ended before any Bugs could be deployed in combat. But the concept — an unmanned, self-guided flying weapon — was decades ahead of its time. Kettering also contributed inventions in retractable landing gear and early autopilot systems, though these received less attention than the Bug.
What made Kettering unusual among inventors was not the range of his curiosity — plenty of engineers dabbled across domains — but the consistency of his method. Every project, from the cash register to the cruise missile, began with the same question: What is the actual problem here, stripped of what everyone assumes about it? The Bug succeeded conceptually because Kettering asked why an aerial weapon needed a pilot. The self-starter succeeded because he asked why a starting motor needed to run continuously. The Delco Light succeeded because he asked why a farm needed to be connected to the grid. In each case, the innovation was not a new technology but a new framing.
Twenty-Seven Years in the Cathedral of Research
On January 13, 1920, Charles Kettering became vice president of the General Motors Research Corporation. He would hold the position for twenty-seven years — an almost inconceivable tenure, spanning the Jazz Age, the Depression, World War II, and the dawn of the postwar boom. Under his direction, GM Research became arguably the most prolific industrial laboratory in the world, rivaled only by Bell Labs and possibly DuPont's Experimental Station.
The list of innovations that emerged from Kettering's laboratories reads like a catalog of the twentieth century itself: ethyl leaded gasoline, which eliminated engine knock and enabled higher-compression engines; Duco lacquers and enamels, the first practical colored paints for mass-produced automobiles (before which most cars were black, because black paint dried fastest); Freon, the chlorofluorocarbon refrigerant that made modern refrigeration and air conditioning possible; lightweight two-stroke diesel engines that revolutionized the locomotive industry; variable-speed transmissions; four-wheel brakes; improved spark plugs; safety glass.
Not all of these were Kettering's personal inventions. Many were the work of brilliant subordinates — Thomas Midgley Jr., who discovered both tetraethyl lead and Freon, deserves particular credit and a particular share of the blame. But Kettering set the agenda, hired the people, defined the problems, and — critically — protected the researchers from the institutional pressures that would have killed their projects in the cradle.
His management style at GM Research was distinctive. He detested bureaucracy. He loathed formal proposals. He wanted researchers to follow problems wherever they led, and he defended this freedom fiercely against the accountants and the committee men. "A well-stated problem is half solved," he liked to say — and what he meant was that the act of properly defining a question was itself the hardest intellectual labor, not something to be ratified by a hierarchy before the work could begin.
My interest is in the future because I'm going to spend the rest of my life there.
The copper-cooled engine debacle of 1921–1923 was the great humiliation of Kettering's GM career, and it reveals the limits of his method. He became convinced that air-cooled engines — using fans forcing air across copper fins for heat dissipation — were the future of automotive propulsion. GM attempted to commercialize the concept between 1921 and 1923. The attempt failed, undone by a combination of technical problems and the institutional politics of a corporation where the manufacturing divisions had their own ideas about what engines they would build. Air-cooled engines would eventually find success in other applications — Volkswagen's Beetle, Porsche, small aircraft — but the historical moment of GM's copper-cooled engine was, as one historian dryly put it, "inauspicious."
Kettering took the failure hard. He reportedly considered resigning. Alfred P. Sloan, who was reorganizing GM into the decentralized structure that would become a template for American corporations, talked him out of it — partly out of genuine respect for Kettering's genius, partly because losing the head of research would have been a public relations catastrophe for a company in the midst of redefining itself.
The episode is instructive. Kettering's greatest strength — his willingness to challenge orthodoxy, to insist that the experts were wrong — was also his greatest vulnerability. When the experts were right, or when the problem was organizational rather than technical, his method failed. He never fully internalized this lesson. He didn't need to. The successes vastly outnumbered the failures.
The Fuel of the Future That Wasn't
The story of tetraethyl lead — "ethyl gasoline" — is the most complicated chapter in Kettering's legacy, and it resists the tidy narratives that admirers and critics alike prefer.
The problem Kettering was trying to solve in the late 1910s and early 1920s was engine knock — the destructive, power-robbing detonation that occurred when low-octane fuel ignited prematurely under compression. Higher-compression engines were more efficient and more powerful, but they demanded higher-quality fuel. Kettering wanted to raise compression ratios, and to do that, he needed an anti-knock additive.
The research was systematic, exhaustive, and wide-ranging. Kettering's team at the Dayton labs, led by Thomas Midgley Jr. — a mechanical engineer turned chemist, self-taught in the relevant sciences, brilliant and reckless in roughly equal proportion — tested thousands of compounds. On December 9, 1921, Midgley discovered that tetraethyl lead, added to gasoline in small quantities, virtually eliminated engine knock. It was a milestone of industrial chemistry.
But the story is darker than the milestone suggests. Documents released from the GM Research archives in 1991 — approximately eighty linear feet of previously sealed files from the office of Midgley's research assistant — reveal that Kettering's original motive for anti-knock research was not simply to improve engines. He was trying to protect GM against anticipated oil shortages, which were then expected to arrive by the 1940s or 1950s. His strategy was to use tetraethyl lead as a bridge — raising compression ratios specifically to facilitate a transition to alternative fuels, particularly ethyl alcohol derived from cellulose and agricultural products.
Kettering believed in ethyl alcohol as the long-term fuel of the future. So did
Henry Ford, who publicly proclaimed in 1925 that "the fuel of the future is going to come from fruit like that sumach out by the road, or from apples, weeds, sawdust — almost anything." The two men's visions converged on a future in which the internal combustion engine would run on renewable fuel. Tetraethyl lead was the stepping stone.
But Kettering lost an internal power struggle at GM. When oil supplies proved more plentiful than anyone had predicted, and when tetraethyl lead turned out to be enormously profitable — the Ethyl Corporation, jointly owned by GM and Standard Oil, sold the additive at margins that made the oil executives' eyes water — the incentive to pursue the "fuel of the future" evaporated. The bridge became the destination.
Then the bodies started appearing. In 1924, workers at Standard Oil's tetraethyl lead refinery in Bayway, New Jersey, began suffering hallucinations, convulsions, and psychotic episodes. Five men died. The press called the facility "the House of Butterflies" because the afflicted workers swatted at invisible insects. Public health scientists warned that dispersing lead into the atmosphere through automotive exhaust would constitute an unprecedented mass poisoning. They were right. It would take fifty years and incalculable damage to human health — particularly among urban children — before leaded gasoline was finally banned.
Kettering's role in this catastrophe is neither that of innocent researcher nor knowing villain. The archival evidence suggests he genuinely believed tetraethyl lead was a temporary solution. He searched for alternatives during the mid-1920s crisis, and he never personally claimed that lead was the only anti-knock additive available — though GM and the Ethyl Corporation made exactly that claim in public, repeatedly and vehemently. What Kettering did was lose a fight he should have fought harder. The institutional logic of profit overwhelmed the logic of his own research program, and he acquiesced. It was the copper-cooled engine in reverse: not a technical failure, but a moral one, compounded by the fact that the man who could reframe any engineering problem couldn't — or didn't — reframe the incentive structure of his own corporation.
The Pioneer Zephyr and the Reinvention of the Railroad
In 1934, a gleaming stainless-steel train called the Pioneer Zephyr made a record-breaking nonstop run from Denver to Chicago — 1,015 miles in just over thirteen hours, arriving at the Century of Progress Exposition in time for its scheduled debut. The train was the brainchild of Ralph Budd, president of the Chicago, Burlington and Quincy Railroad, who had taken the reins in 1931 with a mandate to save a sagging industry. Budd wanted a train that was lighter, faster, cheaper to operate, and more beautiful than anything on the rails. The Zephyr's streamlined body was built by the Edward G. Budd Manufacturing Company (no relation). Its engine was something new.
The Zephyr was powered by a 600-horsepower diesel engine — lightweight, compact, and efficient enough to make the economics of rail travel suddenly competitive with the automobile and the airplane. The engine was the product of years of research directed by Charles Kettering at GM's laboratories. Kettering had pushed the development of practical, lightweight two-stroke diesel engines against considerable skepticism. The railroad establishment, wedded to steam, considered diesel a toy. Kettering considered steam a relic.
The Pioneer Zephyr's run was a sensation. It demonstrated that diesel locomotives could outperform steam in speed, range, and cost. Within a decade, the American railroad industry would undergo its most significant technological transformation since the introduction of the air brake. By 1960, diesel had almost entirely replaced steam on American railroads. The revolution began in Kettering's laboratory.
The diesel work was characteristic of Kettering's late career — less the lone inventor in the barn, more the research director who identified the right problem, assembled the right team, and defended the work against institutional doubt long enough for it to prove itself. He was sixty years old when the Zephyr made its run. The teenage boy who dismantled the telephone had become something else: a manager of invention, a politician of the laboratory, a man who understood that the hardest part of innovation was not generating ideas but surviving the organization that had to implement them.
Cancer, Freon, and the House on Ridgeleigh Terrace
Kettering's interests extended far beyond the internal combustion engine. His medical inventions — less celebrated than his automotive work but no less inventive — included an incubator for premature infants, a treatment for venereal disease, and prototypical magnetic diagnostic devices that anticipated today's MRI technology. He also developed, in collaboration with DuPont, the refrigerant Freon — which, like tetraethyl lead, would later be revealed as an environmental catastrophe, though for entirely different reasons. (Freon depleted the ozone layer, a fact no one could have predicted in the 1930s, and one that Kettering did not live to learn.)
In 1944, Kettering's sister died of cancer. The loss shook him. The following year, he and Alfred P. Sloan — the GM chairman who had saved his career during the copper-cooled engine fiasco, the organizational genius who was in many ways Kettering's opposite — co-founded the Sloan-Kettering Institute for Cancer Research in New York City. It was a characteristically Kettering move: confronted with a problem that offended him, he tried to build an institution that could solve it. The institute would become one of the preeminent cancer research centers in the world, and it remains so today, bearing both men's names.
Kettering married Olive Williams of Ashland, Ohio, in 1905. Their only child, Eugene Williams Kettering, was born in 1908. The family eventually settled in a Tudor Revival house in what is now Kettering, Ohio (the suburb was later named for him), designed by the Dayton firm of Schenck & Williams and known as Ridgeleigh Terrace. It was the first house in the United States with electric air conditioning using Freon — a distinction that says everything about Kettering's relationship to domestic life, which was that he approached it as an engineering problem.
Olive died of pancreatic cancer in 1946. Kettering retired from GM the following year, at the age of seventy-one, though he continued to serve as a research adviser. He never stopped working. He pursued solar energy research, an interest that seemed eccentric at the time and looks prescient now. He tinkered. He gave speeches. He dispensed aphorisms that sound like the patter of a Midwestern
Mark Twain: "If you want to kill any idea in the world, get a committee working on it." "An inventor fails 999 times, and if he succeeds once, he's in. He treats his failures simply as practice shots."
He suffered a series of strokes in his final years. On November 25, 1958, Charles Franklin Kettering died at his home in Dayton. He was eighty-two years old. His body lay in honor at the Engineers Club of Dayton — the institution he and Deeds had founded in 1914, recognizing that the city's concentration of skilled engineers was itself a kind of natural resource — before burial in the mausoleum at Woodland Cemetery.
We should all be concerned about the future because we will have to spend the rest of our lives there.
The Professional Amateur
T. A. Boyd, Kettering's longtime research associate and eventual biographer, titled his 1957 book
Professional Amateur. The phrase was Kettering's own description of himself. He meant it precisely. He believed that the professional — the person who had been formally trained in a field, who knew its literature and its orthodoxies, who had internalized its assumptions about what was possible — was, by definition, the person
least likely to make a breakthrough. The amateur, approaching a problem fresh, unburdened by received wisdom, was the dangerous one. But a
professional amateur — someone with deep technical skill who deliberately cultivated the amateur's willingness to ask stupid questions — that was the most dangerous combination of all.
It was not a pose. Kettering's entire career was built on violating disciplinary boundaries. He was an electrical engineer who solved problems in chemistry, a mechanical tinkerer who contributed to medicine, a farm boy who redesigned the American railroad. He didn't respect the walls between fields because he'd never been taught to see them.
This was his gift. It was also, at times, his blindness. The professional amateur can see what the specialist cannot, but the specialist can see what the amateur misses. Kettering missed the toxicology of lead. He missed the atmospheric chemistry of Freon. He missed the organizational politics of the copper-cooled engine. In each case, the failure was a failure of expertise he didn't have and didn't seek — or sought too late, from people too invested in the answer he wanted to hear.
The tension is the thing. Kettering was not a saint of invention or a villain of industrial recklessness. He was both, simultaneously, because the same intellectual disposition that enabled the self-starter enabled the leaded gasoline. The willingness to challenge what everyone knows is sublime when everyone is wrong and catastrophic when everyone is right. Kettering's life is the story of a man who was, more often than not, on the sublime side of that ledger. But not always. Not always.
He once described the proper attitude toward technology as "intelligent ignorance" — the recognition that knowing you don't know is the precondition for learning anything. It is the best description of his character anyone has offered, including himself. The boy who stood barefoot in the warm spot where a cow had lain and thought it was wonderful never quite lost his capacity for intelligent ignorance. He just learned, over the course of a long and consequential life, that ignorance — even the intelligent kind — has costs that compound.
The last photograph in most collections shows Kettering in his late seventies, white-haired, sharp-eyed still behind thick glasses, leaning slightly forward in a chair as if about to get up and walk to the workbench. His hands are on his knees. He looks like what he was: a farmer's son who had electrified the world, and who still wasn't done asking questions about it.
