National Museum of Nuclear Science & History
Carter worked for Stone and Webster Engineering Corporation.
Raymond Hamilton worked in the explosives research area at Los Alamos after a distinguished career with the US Army Coast Artillery Corps 705th Machine Gun Battery.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
Groswith worked at the 200 West Area at Hanford during the Manhattan Project.
