National Museum of Nuclear Science & History
Anthony J. Okleshen worked in the shop at the University of Chicago’s Metallurgical Laboratory.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
John DoLong was a guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. G. Rowland worked for the United States Engineer District Office.