National Museum of Nuclear Science & History
Don Cowen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elmira Overton worked for the United States Engineer District Office.
William Bradshaw was a Mechanical Engineer working for the civilian contractor Tennessee Eastman at the Y-12 Plant in Oak Ridge, Tennessee.
Bert Tolbert joined the Manhattan Project in 1944 while completing his PhD in Chemistry from the University of California at Berkeley.