National Museum of Nuclear Science & History
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. A. Cone worked for the J.A. Jones Construction Company.
Fowler worked for Stone and Webster Engineering Corporation.
John O’Gara worked for the United States Engineer District Office.
Norris W. Embrey was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.