National Museum of Nuclear Science & History
Florence Roache worked for the United States Engineer District Office.
Attended Massachussetts Institute of Technology.
Welch worked at the 200 West Area at Hanford during the Manhattan Project.
Leonard Simpson served in the 1395th Military Police Aviation.
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.
