National Museum of Nuclear Science & History
C. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marjorie Richmond was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.
Groht worked for Stone and Webster Engineering Corporation.
