National Museum of Nuclear Science & History
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Keith Coleman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Jay Hitchcock worked in the Shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.