National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Herbert D. Swasey served in the 603rd Air Engineering Squadron.
John Tempka (1923-2017) was an American engineer. Tempka was born in Boydsville, Ohio. He was studying at the University of Detroit when he was recruited to join the U.
Leonard Quartararo was a staff worker at Los Alamos during the Manhattan Project.