National Museum of Nuclear Science & History
William P. Sheehan served in the 509th Headquarters.
A. H. Frost worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Neil Bergen was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).