National Museum of Nuclear Science & History
William Ginell is a physical chemist who worked at Columbia University and Oak Ridge during the Manhattan Project.
J. D. Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard McNamara served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Karl Walther was a glassblower for Columbia University and Brookhaven National Laboratory. During the Manhattan Project, Walther worked as a senior glassblower at the Nash Garage Building at Columbia, where scientists developed the gaseous diffusion process.