Thornton Tayloe Perry / Thornton Tayloe Perry II

Historical marker location:

2142 Mission Rd, Harpers Ferry, West Virginia

( Marker is on Shannondale Springs Road just north of Mission Road (County Road 9/5), on the left when traveling north.)

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.