National Museum of Nuclear Science & History
C. L. McCallum 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.
H. T. Hunsicker worked for the Midwest Piping and Supply Company.
D. H. Edwards worked at the 300 Area at Hanford during the Manhattan Project.
