National Museum of Nuclear Science & History
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
Raymond Sheline was a chemist at Columbia University and a member of the Special Engineer Detachment at Oak Ridge and Los Alamos.
A. B. Kincaid worked for the Roane-Anderson Company.
J. H. Leppert worked for the Tennessee Eastman Corporation at the Y-12 Plant.