National Museum of Nuclear Science & History
Fred H. Greene was an engineer who worked on the K-25 Plant in Oak Ridge, TN, for Union Carbide and Carbon.
Kay Sharp worked for the United States Engineer District Office.
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.