Leopold Infeld in 1960
20 August 1898|
Kraków, then Austria–Hungary, now Poland
15 January 1968 (aged 69)|
|Residence||Poland, UK, US, Canada|
|Alma mater||Jagiellonian University|
|Known for||Infeld–Hull factorization method|
University of Lwów
University of Toronto
P. R. Wallace
Leopold Infeld (20 August 1898 – 15 January 1968) was a Polish physicist who worked mainly in Poland and Canada (1938–1950). He was a Rockefeller fellow at Cambridge University (1933–1934) and a member of the Polish Academy of Sciences.
Leopold Infeld was born into a family of Polish Jews in Kraków, then part of the Austro-Hungarian Empire (it rejoined an independent Poland in 1918). He studied physics at Kraków's Jagiellonian University and from 1920 in Berlin, where he had engaged Albert Einstein's help to gain admission to the University of Berlin. He obtained a doctorate in 1921. In 1933 he left for England, then for the United States and Canada after the death of his first wife, Halina.
Infeld was interested in the theory of relativity. He was awarded a doctorate at the Jagiellonian University (1921), worked as an assistant and a docent at the University of Lwów (1930–1933) and then as a professor at the University of Toronto between 1939 and 1950. He collaborated with Albert Einstein at Princeton University (1936–1938). The two scientists jointly formulated the equation describing star movements as well as jointly writing the book The Evolution of Physics.
After the first use of nuclear weapons in 1945 Infeld, like Einstein, became a peace activist. Because of his activities, he was unjustly accused of having communist sympathies. In 1950 he left Canada and returned to communist Poland. He felt he had an obligation to help science in Poland recover from the ravages of the Second World War. In the strongly anti-communist climate of the time many in the Canadian government and media feared that, working in a communist country, he would betray nuclear weapons secrets. He was stripped of his Canadian citizenship and was widely denounced as a traitor. In actuality, Infeld's field was the theory of relativity—not directly linked to nuclear weapons research. After Infeld's return to Poland, he requested a leave of absence from the University of Toronto. His request was denied and Infeld resigned his post. In 1995 the University of Toronto made amends and granted Infeld the posthumous title of professor emeritus. Upon his return to Poland, Infeld became a professor at the University of Warsaw, a post he held until his death.
Infeld is the author of Quest: An Autobiography and the biography Whom the Gods Love: The Story of Évariste Galois.
- Infeld, L.; Hull, T. E. (1953). "Factorization Method". Rev. Mod. Phys. 23: 21. Bibcode:1951RvMP...23...21I. doi:10.1103/RevModPhys.23.21.
- Infeld, Leopold (2006). Quest: An Autobiography (Reprint ed.). American Mathematical Society. ISBN 0-8218-4073-8. (originally published in 1965)
- Bergmann, Peter G. (March 1968). "Obituary: Leopold Infeld, Authority on Field Theory and Relativity". Physics Today. 21 (3): 113. Bibcode:1968PhT....21c.113B. doi:10.1063/1.3034808.
- Current Biography. H.W. Wilson Company. 1941.
- Green, Judy; LaDuke, Jeanne (2008). Pioneering Women in American Mathematics — The Pre-1940 PhD's. History of Mathematics. 34 (1st ed.). American Mathematical Society, The London Mathematical Society. ISBN 978-0-8218-4376-5. Helen Schlauch biography on p.309-312 of the Supplementary Material at AMS
- Trautman, Andrzej (1970–80). "Infeld, Leopold". Dictionary of Scientific Biography. 7. New York: Charles Scribner's Sons. pp. 10–11. ISBN 978-0-684-10114-9.
- O'Connor, John J.; Robertson, Edmund F., "Leopold Infeld", MacTutor History of Mathematics archive, University of St Andrews.
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