John H. Smith

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.

Ruth H. Anderson

Ruth H. Anderson was a staff member at Los Alamos during the Manhattan Project. Her husband, Ralph Larsen, worked at Los Alamos as a machinist.

John C. Grund

L. M. Knight

Knight worked in the 200 West Area at Hanford during the Manhattan Project.