J. S. Taylor

Frank Karcher

Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

F. C. Meadows

Arthur D. Henderson

Arthur D. Henderson served in the 320th Troop Carrier Squadron. 

Richard Apple

Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.