National Museum of Nuclear Science & History
Rupp worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.
J. M. Ryan worked for the United States Engineer District Office.
George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.
