National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
Grayce Taylor worked for the Roane-Anderson Company.
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gaylor Cornelius worked for the Tennessee Eastman Corporation at the Y-12 Plant.
E. C. McAdoo worked for the Roane-Anderson Company.