National Museum of Nuclear Science & History
C. O. Hubbard worked for the Roane-Anderson Company.
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.
James Van Pelt served as a captain in the 393rd Bombardment Squadron of the 509th Composite Group. He flew in the Great Artiste as a navigator during the mission to bomb Hiroshima.
Milam worked in the 200 West Area at Hanford during the Manhattan Project.
Sherman worked for Stone and Webster Engineering Corporation.