National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“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.
William Thomas McNamara worked in Oak Ridge Tennesee with his wife Mildred Wilton from 1942 to 1946. Prior to accepting a job at Oak Ridge, McNamara had worked at the Charlestown Navy Shipyard in Boston.
George Akin worked for the Tennessee Eastman Corporation at the Y-12 Plant.