National Museum of Nuclear Science & History
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
Ruth Marshak was an American teacher and the wife of physicist Robert Marshak. Marshak was born in 1916.
Hildebrand worked for Stone and Webster Engineering Corporation.
S. W. Crocker worked for the Tennessee Eastman Corporation at the Y-12 Plant.