National Museum of Nuclear Science & History
John Waters worked for the Kellex Corporation at the K-25 Plant.
Rex McDowell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lawrence L. Back served in the 393rd Bombardment Squadron.
