National Museum of Nuclear Science & History
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. J. Costello worked for the Comstock-Bryant Electric Company.
Lt. Col. James C. Stowers was an engineer in the Army Corps of Engineers and became the unit chief for the K-25 Gaseous Diffusion Plant.