Stanislaw Ulam

Polish-American mathematician

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Lived 1909–1984, aged 75United States

United States AcademicsAcademic

Wikipedia
55 languages
Cross-language footprint
Era
1909–1984
Aged 75
Awards
2
recognised works

Summary

Updated 2026-06-09

He helped invent the hydrogen bomb, then spent decades trying to dream up ways to use nuclear explosions for something other than war. The Monte Carlo method — now a workhorse of science and finance — came from realizing computers could brute-force problems math alone couldn't crack.

Biography

About

Stanisław Ulam was born into a wealthy Polish Jewish family in Lemberg, Austria-Hungary, on 13 April 1909, earned his PhD in mathematics from the Lwów Polytechnic Institute in 1933, and sailed to the United States for the last time with his younger brother in August 1939. He joined the Manhattan Project in October 1943 at Los Alamos, working on implosion-weapon calculations and later on Edward Teller's "Super" hydrogen bomb design — which Ulam and a team of female computers proved unworkable. In January 1951, Ulam and Teller devised the Teller–Ulam design, the blueprint for every thermonuclear…

Voice

In their own words

Sourced, dated quotes from Stanislaw Ulam

Stanislaw Ulam

said17 May 1984

Whatever is worth saying, can be stated in fifty words or less.

— as quoted by Gian-Carlo Rota in Words spoken at the memorial service for S. M. Ulam (The Lodge, Los Alamos, New Mexico, May 17, 1984),

Stanislaw Ulam

said1983

Sometimes I feel that a more rational explanation for all that has happened during my lifetime is that I am still only thirteen years old, reading Jules Verne or H. G.

— Preface To the 1983 Edition, p. xxvii

Stanislaw Ulam

said10 May 1955

The mathematicians know a great deal about very little and the physicists very little about a great deal.

— On the Ergodic Behavior of Dynamical Systems (LA-2055, May 10, 1955) in

Stanislaw Ulam

saidundated

The first sign of senility is that a man forgets his theorems, the second sign is that he forgets to zip up, the third sign is that he forgets to zip down.

— Attributed in Paul Hoffman, The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical Truth (1998)

Stanislaw Ulam

saidundated