National Museum of Nuclear Science & History
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
Robert Krohn was born in Milwaukee, Wisconsin December 26, 1919. He attended the University of Wisconsin and graduated from the Electrical Engineering School in June of 1942.
Arthur Adamson (1919-2003) was an American chemist. Adamson was born on August 15, 1919 in Shanghai, China to American parents.