National Museum of Nuclear Science & History
Bergman worked in the United States Engineer District Office.
Bergen McCormick worked for the J.A. Jones Construction Company.
Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos 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.
