Ronald Edward Blair (born September 16, 1948) is an American musician notable for being the bassist for Tom Petty and the Heartbreakers. He was originally the band's bassist from 1976 to 1981. In 2002, he returned to the group after a 20-year hiatus, replacing his own replacement, the late Howie Epstein. Description above from the Wikipedia article Ron Blair, licensed under CC-BY-SA, full list of contributors on Wikipedia.