National Museum of Nuclear Science & History
Sid Williams worked for the H. K. Ferguson Company.
J. A. Slice worked for the Union Carbide & Carbon Corporation.
Clark Royer worked for the United States Engineer District Office.
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.
