National Museum of Nuclear Science & History
J. Powell worked for the Union Carbide & Carbon Corporation.
Bowers worked in the United States Engineering District Office.
Robert Pierce 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.
