National Museum of Nuclear Science & History
McLaughlin worked in the 100 D 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.
R. M. Batch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. Raymond Dahl worked at the 300 Area at Hanford during the Manhattan Project.
