National Museum of Nuclear Science & History
Robert Rogers was a staff worker at Los Alamos during the Manhattan Project.
Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
J. B. Marcum worked for the Union Carbide & Carbon Corporation.