Stanislaw Ulam – Brilliant mathematician with multiple innovations including the design of the H-Bomb

A man in a jacket and tie standing on top of a hill.

StanisÅ‚aw Ulam (1909 – 1984) was a Polish-Jewish mathematician and nuclear physicist who later became a U.S. citizen. He participated in the Manhattan Project, originated the Teller–Ulam design of thermonuclear weapons, discovered the concept of the cellular automaton, invented the Monte Carlo method of computation, and theorized nuclear propulsion. StanisÅ‚aw Ulam (1909 – 1984) Ulam…

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Polish-American Fighter Pilot Extraordinaire

A man in an old style fighter jet.

Colonel Francis (Gabby) Gabreski (born Franciszek StanisÅ‚aw Gabryszewski) (1919-2002) was the top American fighter ace in Europe during World War 2, a jet fighter ace in the Korean War, the first U.S. combat pilot to become an ace in two wars and one of only seven U.S. pilots to do so, and the third highest…

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The Resounding Silence of the Katyn Memorial

A book cover with trees and a bird on it.

PASI EDU is proud to feature this essay by Krzysztof SroczyÅ„ski, a young Polish scholar. It’s an enhanced version of his contribution to a national initiative sponsored by the Polish government titled “The Polish Heart Broke: KatyÅ„ 1940”. The essay is two-fold. It outlines the tragic events at KatyÅ„, where up to 22,000 Polish officers…

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The Crypto Hackers who saved Countless Lives

An old fashioned machine with many different types of wires.

Three Polish mathematicians played an instrumental role in shortening World War 2 by breaking the secret German encryption machine called Enigma. They were Marian Rejewski, Henry Å»ygalski, and Jerzy Różycki. Breaking the Enigma was perhaps the greatest Polish contribution to the Allied victory. However, this accomplishment, and much of the history of the Enigma, was…

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Jewish Commandos from the Second Polish Republic

A close up of the flags of israel and poland

Polish special services trained right-wing Jewish fighters who carried out remarkable attacks on the British in Palestine. “I talked to many of them a quarter of a century ago. They all said that training in Poland gave them a significant advantage. Although they had no professional military education, they became conspirators and soldiers who would…

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