National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
D. E. Jones worked for the J.A. Jones Construction Company.
C. F. Mims worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold F. Seaman served in the 603rd Air Engineering Squadron.
