 He was the subject of three segments of “20/20” and made news by operating on the son of the Yankee pitcher Tommy John and on a Tibetan monk for whom the Dalai Lama prayed at the institute.In 1997, he operated on a millionaire's pug in exchange for a donation to help pay for surgery that Epstein then performed on a 5-year-old boy from rural Pennsylvania.In September 2001, he suffered a brain injury due to a bicycle accident, which forced him to retire from active practice.