National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Leonard worked in the 300 Area at Hanford during the Manhattan Project.
Spofford G. English was an American chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge during the Manhattan Project.
Fred D. Butler served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.