National Museum of Nuclear Science & History
Thomas Waling was a staff worker at Los Alamos during the Manhattan Project.
Richard McNamara served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
K. C. McGregor worked for the Edenfield Electric Company.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
