National Museum of Nuclear Science & History
T. L. Harrigan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
S. J. Helfman worked for the J.A. Jones Construction Company.
S. Schulder worked for the Union Carbide & Carbon Corporation.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
