William H. Powell

Historical marker location:

Clifton, West Virginia

( Marker is at the intersection of Mason Street (West Virginia Route 62) and Columbia Street, on the left when traveling west on Mason Street.)

Marker installed: 2016

West Virginia is home to the Green Bank Telescope, the world's largest fully steerable radio telescope. It is operated by the National Radio Astronomy Observatory and is located in the Allegheny Mountains.