National Museum of Nuclear Science & History
S. H. Barrett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
McMillan worked in the 100 F Area at Hanford during the Manhattan Project.
Baker worked at the 300 Area at Hanford during the Manhattan Project.
