National Museum of Nuclear Science & History
Cash worked as an operator at the Y-12 plant at Oak Ridge during the Manhattan Project.
McDonald worked in the 200 West Area at Hanford during the Manhattan Project.
Ernest Wende was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
J. E. Parnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
