National Museum of Nuclear Science & History
A. F. Tyra worked for the Union Carbide & Carbon Corporation.
Johnson worked for Stone and Webster Engineering Corporation.
George Briggs was only 20 years old when he began working with the Special Engineer Detachment at Los Alamos.
D. P. Hall worked for the J.A. Jones Construction Company.
Luin W. Hough was a photographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.