National Museum of Nuclear Science & History
M. E. Ridge worked for the United States Engineer District Office.
Gatenby worked for Stone and Webster Engineering Corporation.
June H. Roberts was a research assistant in the Instruments Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George Graves was a technical advisor at Hanford, and so famous there that he inspired a poem: "We'd called up a tight design/ Hewn strictly to the longhairs' line.
