National Museum of Nuclear Science & History
Augustus “Gus” Kinzel was an American metallurgical engineer. He graduated at age eighteen from Columbia College, and earned a PhD in metallurgical engineering from the University of Nancy in France.
W. W. Snyder Jr. served in the 509th Headquarters.
Harold Seward worked for the Roane-Anderson Company.
Sidney J. Bellamy served as a corporal in the 393rd Bombardment Squadron. He was regularly assigned to the Necessary Evil as a radar observer, but flew in the Big Stink in the mission to Nagasaki.