National Museum of Nuclear Science & History
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
Vlacil worked at the 300 Area at Hanford during the Manhattan Project.
Don Ross worked for the Union Carbide & Carbon Corporation.
Morris R. Jeppson served as a lieutenant in the 1st Ordnance Squadron. He also worked as a weapons test officer.