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.
Robert William Lockridge attended the University of Maryland. Here was active in their ROTC program, and in 1930, he earned a Bachelor of Science in Engineering.
Hardin worked in the United States Engineer District Office.
