National Museum of Nuclear Science & History
Emerald Lyons Jr. was an electrical engineer at Oak Ridge, Tennessee from 1944 to 1945.
Carl C. Gamertsfelder was an American physicist who worked in the field of health physics during the Manhattan Project.
Paul W. Gruning served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier on the B-29 Jabit III on the Hiroshima mission.
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.