National Museum of Nuclear Science & History
H. A. McWade worked for the Edenfield Electric Company.
Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. P. Kennell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
