National Museum of Nuclear Science & History
R. M. Batch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. K. Walker worked for the Fercleve Corporation.
N. C. Poe, Jr. worked for the Poe Piping & Heating Company.
Charles W. Hagen was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
