National Museum of Nuclear Science & History
R. E. Hoffman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Meredith worked in the 200 West Area at Hanford during the Manhattan Project.
Alexander Blair was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.