

The industrial chemist who scaled a laboratory trick into a world-feeding process, then watched his creation be twisted for war.
Carl Bosch was an engineer with a problem-solver's grit. When chemist Fritz Haber demonstrated a way to pull nitrogen from the air to make ammonia, it was a delicate lab experiment. Bosch's monumental task was to build factory-sized vessels that could contain the necessary high pressures and temperatures, inventing new steels and massive pumps in the process. His success at BASF, culminating in the first operational plant in 1913, broke humanity's dependence on finite natural fertilizers. He co-founded the chemical giant IG Farben and won a Nobel Prize, but his triumph had a dark twin. The Haber-Bosch process also made the explosives that fueled the First World War, and later, IG Farben became deeply entwined with the Nazi regime. Bosch, who privately opposed Hitler, died in 1940, a man who had unlocked the means to feed billions but lived to see his life's work harnessed for destruction.
1860–1882
Born during or after the Civil War, they built industrial America — the railroads, the steel mills, the first skyscrapers. An era of massive wealth, massive inequality, and the belief that the future belonged to whoever could build it fastest.
Carl was born in 1874, placing them squarely in The Gilded Age. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
The biggest hits of 1874
The world at every milestone
Wounded Knee massacre marks the end of the Indian Wars
First public film screening by the Lumiere brothers
New York City opens its first subway line
World War I begins
First Winter Olympics held in Chamonix, France
The Blitz: Germany bombs London
He was the nephew of Robert Bosch, the founder of the famous engineering company.
An avid amateur entomologist and botanist, he maintained a large private collection of beetles and butterflies.
Despite his company's later Nazi affiliations, Bosch helped Jewish scientists find positions abroad after they were dismissed.
The mineral 'carlboschite,' a bismuth selenide, is named in his honor.
“I often think with horror that my work has made possible the production of explosives on such a vast scale.”