Grease, Gears, and a Paper Bag: How a Mill Town Delivery Boy Killed the Hand-Crank and Saved a Million Wrists
Before Silicon Valley existed as a concept, a teenager in rural Ohio was reverse-engineering radios from salvaged junk between newspaper deliveries. Charles Kettering's predawn hustle on a paper route turned out to be the most consequential engineering education America never officially offered — and the electric starter motor was its diploma.