National Museum of Nuclear Science & History
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ethel Taylor was a scientific assistant in the Women’s Army Corps at Los Alamos during the Manhattan Project.
A. M. Monger worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arthur Scott Weygandt was a chemical engineer at DuPont.
