National Museum of Nuclear Science & History
W. F. McDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Attended the College of San Mateo.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Francis McHale was a security and safety man, a civilian, with the Corps of Engineers. He came to Hanford from the Pennsylvania Ordnance Works to set up fire and safety and police protection for the Manhattan Engineer District.
Attended Washington University.
