Gordon MacBeth

Henry Stimson

As Secretary of War under Presidents Franklin D. Roosevelt and Harry Truman, Henry L. Stimson (1867-1950) oversaw the entire Manhattan Project, and was responsible for appointing key project leaders and authorizing project construction sites across the US.

Walter L. Swarthout

Warren A. Sharp

Warren Sharp was a chemical engineer employed at the K-25 Plant in Oak Ridge, Tennessee. Sharp assisted with the gaseous diffusion process as a civilian after unsuccessfully trying to enlist in military service.

Enareo Serna

Enareo Serna was a staff worker at Los Alamos during the Manhattan Project.