National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Wilma Sadler worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elgin Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Warren Sharp was a chemical engineer employed at the K-25 Plant in Oak Ridge, Tennessee. Sharp assisted with the gaseous diffusion process as a civilian after unsuccessfully trying to enlist in military service.