National Museum of Nuclear Science & History
J. E. Mason worked for the Roane-Anderson Company.
Kenneth Walsh was an American chemist. Walsh studied as an undergrad at Yankton College in South Dakota.
Acie Singleton was a laborator helper 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.
