National Museum of Nuclear Science & History
Harry Reason was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hall worked in the United States Engineer District Office.
E. J. Beever worked for the Union Carbide & Carbon Corporation.
John D. Watson was an American civil engineer. In 1942, he joined the J.A. Jones Construction Company.
Lyle Crowe worked for the J.A. Jones Construction Company.