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.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
K. M. Whitlesy worked for the United States Engineer District Office.
E. S. Ethridge worked for the Tennessee Eastman Corporation at the Y-12 Plant.
