National Museum of Nuclear Science & History
T. H. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Emily Ninger was a staff worker at Los Alamos during the Manhattan Project.
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.
