National Museum of Nuclear Science & History
F. S. Tew worked for the United States Engineer District Office.
D. G. Decker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Mackenzie “Bob” Underhill (1893-1988) was a finance officer for the University of California during the Manhattan Project.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.