National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Mary Vasaly worked for the United States Engineer District Office.
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.
Peggy Eileen (Johnson) Titterton was a laboratory assistant at Los Alamos and the wife of physicist Ernest Titterton.