National Museum of Nuclear Science & History
S. H. Barrett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Opal Adamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bob Emigh was in the Navy and worked with Deak Parsons on telemetry for the bombs. He was assigned as the science officer for the planned third bomb.
Rosie M. Hunter was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.