National Museum of Nuclear Science & History
Holeman worked at the 300 Area at Hanford during the Manhattan Project.
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.
Robert N. Ames served in the 320th Troop Carrier Squadron.
Hiser worked at the 300 Area at Hanford during the Manhattan Project.