National Museum of Nuclear Science & History
T. O. Dean worked at the 200 East Area at Hanford 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.
Ernest Morgan worked for the J.A. Jones Construction Company.
Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.
