National Museum of Nuclear Science & History
LeRoy Grigsby worked for the Roane-Anderson Company.
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.
Cherubin worked at the 100-D Area at Hanford during the Manhattan Project.
Iver Samuelson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
