National Museum of Nuclear Science & History
Cass worked for Stone and Webster Engineering Corporation.
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.
Charles Rice was a staff worker at Los Alamos during the Manhattan Project.
H. H. Denny worked for the H. K. Ferguson Company.
Williams Helps worked for the Tennessee Eastman Corporation at the Y-12 Plant.
