National Museum of Nuclear Science & History
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leonard Switalski served in the First Ordnance Squadron.
Henry worked at the 300 Area at Hanford during the Manhattan Project.