National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
Ruth Marshak was an American teacher and the wife of physicist Robert Marshak. Marshak was born in 1916.
Irene Balawender was a stenographer in the Instrument Section at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Gerhardt Padalski was a staff worker at Los Alamos during the Manhattan Project.
