

A mathematical visionary who rebuilt the foundations of geometry from the ground up, then walked away from the academic world he transformed.
Alexander Grothendieck was a force of nature in mathematics, a thinker of such staggering depth that he reshaped entire landscapes of thought. Born in Berlin to anarchist parents, he survived the Holocaust in hiding, an experience that perhaps fueled his later search for unifying principles. In the 1950s and 60s, he led a revolution in algebraic geometry. Dissatisfied with patching old theories, he conceived sweeping new frameworks—schemes, topoi, motives—that recast problems in profoundly abstract yet powerful ways. His work at the Institut des Hautes Études Scientifiques was legendary, collaborative, and intensely demanding. Then, at the peak of his influence, he broke with the establishment. He renounced his positions, retreated from public life, and lived in seclusion, driven by deep ecological and pacifist convictions. Grothendieck left behind a blueprint for modern mathematics and the enduring mystery of his radical departure.
1928–1945
Born between the Depression and the end of WWII. Too young to fight, old enough to remember. They became the conformist middle managers of the 1950s — and the civil rights leaders who quietly dismantled Jim Crow.
Alexander was born in 1928, placing them squarely in The Silent Generation. 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 1928
#1 Movie
The Singing Fool
Best Picture
Wings
The world at every milestone
Alexander Fleming discovers penicillin; Mickey Mouse debuts
FDR's New Deal launches; Prohibition ends
Pearl Harbor attack brings the US into WWII
D-Day: Allied forces land at Normandy
United Nations holds its first General Assembly
NATO founded; Mao proclaims the People's Republic of China
NASA founded
Martin Luther King Jr. and Robert Kennedy assassinated
First test-tube baby born
Pan Am Flight 103 bombed over Lockerbie
Google founded; Clinton impeachment
Barack Obama elected first Black US president; financial crisis
Russia annexes Crimea; Ebola outbreak in West Africa
He refused the Fields Medal in 1966, not attending the ceremony in Moscow for political reasons.
He left mathematics in 1970, declining a prestigious chair at the Collège de France, and later lived as a recluse in the Pyrenees.
His father was a Russian anarchist of Jewish descent who was murdered in Auschwitz.
He wrote over 20,000 pages of mathematical and philosophical manuscripts during his seclusion, known as the 'Grothendieck Circle'.
He turned down the Crafoord Prize in 1988, stating that his salary as a professor was sufficient and the scientific community had lost its ethical standards.
“The richness of life reveals itself through a wealth of gestures, and it is the forgetting of this obvious fact that makes us confuse the star with the astronomer.”