National Museum of Nuclear Science & History
Rose Roberts was a staff worker at Los Alamos during the Manhattan Project.
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
C. D. Brown worked for the Edenfield Electric Company.
Frank Smith worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William Schafer was a staff worker at Los Alamos during the Manhattan Project.