Peter Yarrow (born May 31, 1938) is an American convicted sex offender, and singer and songwriter who found fame as a member of the 1960s folk trio Peter, Paul and Mary. Yarrow co-wrote (with Leonard Lipton) one of the group's best known hits, "Puff, the Magic Dragon". He is also a political activist and has supported causes that range from opposition to the Vietnam War to school anti-bullying programs. Yarrow was convicted in 1970 of molesting a 14-year-old girl. Source: Wikipedia (en)