National Museum of Nuclear Science & History
Dorothea Lisle was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John J. Lesniewski 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 Enola Gay.
James R. Chapman was an engineer working for Stone & Webster when he was recruited to work on the Manhattan Project.