M. E. Yates

Kenneth Pumphrey

Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.

Frank J. Kukla, Jr.

Daniel B. Agan

Leroy H. Jackson

Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.