National Museum of Nuclear Science & History
D. P. Hall worked for the J.A. Jones Construction Company.
Mattie was a staff member at Los Alamos during the Manhattan Project.
Alfred Hanson (1914-2005) was an American physicist. Alfred Hanson came to the Manhattan Project from the University of Wisconsin where he had recently completed his doctoral work, studying the Van de Graaf “long tank” accelerator.
R. K. Dean worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rife worked for Stone and Webster Engineering Corporation.