National Museum of Nuclear Science & History
Clair Tellefson was a staff worker at Los Alamos during the Manhattan Project.
Leonard Reed was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Asa Swain worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.