National Museum of Nuclear Science & History
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R.C. Houlton was the Personnel Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.