Phillis Gillespie

John H. Blackwell

Homer L. Howell

Homer Howell worked for Clinton Laboratories at the X-10 Reactor.

F. C. Uffelman

F. C. Uffelman worked for the Tennessee Eastman Corporation at the Y-12 Plant. His ex-wife Jane, also worked on the Manhattan Project.

Eleanor F. Caldwell

Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.