National Museum of Nuclear Science & History
Bowen was at Los Alamos during the Manhattan Project.
D.C. Stewart was a Staff Sergeant in the Special Engineer Detachment at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Otto Frisch (1904-1979) was an Austrian-born physicist. Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.
Warren H. Burgus was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.