National Museum of Nuclear Science & History
Dwight Young (1892-1975) was a professional photographer working at a box factory when he heard about an opening at the University of Chicago’s Metallurgical Laboratory.
L. J. Ritter worked for the Roane-Anderson Company.
J. C. Tippins worked for the J.A. Jones Construction Company.
James J. Nickson was a medical doctor and Section Chief of H-III Medical Industrial Hazards and Health Physics in the Health Division at the University of Chicago Met Lab.