National Museum of Nuclear Science & History
Ray Martin worked for the A. S. Schulman Electric Company.
Robert W. Henderson was an American engineer. He attended the University of California School of Engineering.
Schopp worked at the 200 West Area at Hanford during the Manhattan Project.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.