National Museum of Nuclear Science & History
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Eleanor Ewing Ehrlich (1918-2011) was an American mathematician. During the Manhattan Project, Ewing worked at Los Alamos and helped run the IBM calculating team.
Milton Matthews worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fred A. Hoey served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the navigator of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.
Kelleher worked for Stone and Webster Engineering Corporation.
