Bill "Hoss" Allen

Historical marker location:

Castilian Springs, Tennessee

( Marker can be reached from Hartsville Pike (Tennessee Route 25) 0.2 miles west of Old Tennessee Route 25, on the right when traveling west.)

Marker installed: 2021

The Oak Ridge National Laboratory, located in Oak Ridge, Tennessee, played a crucial role in the development of the atomic bomb during World War II. It was also a key site for nuclear research during the Cold War.