National Museum of Nuclear Science & History
Herbert G. “Mac” MacPherson (1911-1993) was an American nuclear engineer. MacPherson’s expertise on graphite made him a valuable consultant for the Manhattan Project.
Gawthrop worked at the 300 Area at Hanford during the Manhattan Project.
Theodore M. Slife served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator 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.