National Museum of Nuclear Science & History
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.
Amanda Stein was a research assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
N. N. Barwick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
German worked at the 100-D Area at Hanford during the Manhattan Project.
