National Museum of Nuclear Science & History
Mann worked in the 200 West Area at Hanford during the Manhattan Project.
D. M. Jackson served in the 390th Air Service 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.
