National Museum of Nuclear Science & History
Beachley worked for Stone and Webster Engineering Corporation.
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.
James Sircom Allen (1911-1982) was a Canadian-American physicist who worked at the Massachusetts Institute of Technology and Los Alamos during the Manhattan Project.
Henry Wigen worked for the United States Engineer District Office.