National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Michael Angelich served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the bombardier 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.
Calhoun worked at the 100-B Area at Hanford during the Manhattan Project.
