National Museum of Nuclear Science & History
Patricia L. Allebach was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
F. Ernsberger worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ray Martin worked for the A. S. Schulman Electric Company.
