National Museum of Nuclear Science & History
Attended the Massachussetts Institute of Technology.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
R. S. Amrien worked for the Union Carbide & Carbon Corporation.
Gordon Waters was a staff worker at Los Alamos during the Manhattan Project.
Robert Ingersoll Howes Sr. was an electrical engineer and one of the first 100 scientists recruited to Los Alamos to work on the Manhattan Project.