National Museum of Nuclear Science & History
T. J. Costello worked for the Comstock-Bryant Electric Company.
Paul Adams worked for the J.A. Jones Construction Company.
Ayres worked in the United States Engineer District Office.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
H. R. House worked for the Union Carbide & Carbon Corporation.
