National Museum of Nuclear Science & History
Graham worked in the United States Engineer District Office.
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.
Nussbaum worked in the 200 East Area at Hanford during the Manhattan Project.
William “Bill” J. Knox was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hankal worked for Stone and Webster Engineering Corporation.