Carl C. McDade

William P. Baker

Joseph H. Heartberg

Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Elmer Kelly

Elmer began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.

D. F. Babcock

Babcock worked at the 300 Area at Hanford during the Manhattan Project.