National Museum of Nuclear Science & History
Robert Hobart worked for the United States Engineer District Office.
C. A. Rolander worked for the United States Engineer District Office.
E. P. Marguerat worked for the Union Carbide & Carbon Corporation.
C. D. Mahood worked for the Roane-Anderson Company.
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.