National Museum of Nuclear Science & History
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.
Leane Russell was a biologist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Fred Smyth worked for the Tennessee Eastman Corporation at the Y-12 Plant.