National Museum of Nuclear Science & History
R. A. Smith worked for the H. K. Ferguson Company.
Richard Ungemach served in the army at Los Alamos during the Manhattan Project.
Hartley Rowe was an American industrial engineer. Rowe worked on the Panama Canal; for Lockwood Greene, an engineering firm; and for the United Fruit Company, where he rose to become vice president.
Arthur Daniel Schelberg (1921-2009) was an American physicist. Schelberg was born in New York City. He studied at physics in Princeton, and was recruited to join the Manhattan Project at Los Alamos in 1943.