Peter Yarrow, the singer-songwriter who was one-third of the folk trio Peter, Paul and Mary, has died at age 86, his representative confirmed to ABC News.

Peter Yarrow, who died Tuesday at age 86, has long denied that the famous song “Puff, the Magic Dragon,” was about drugs.

Peter Yarrow, one third of the chart-topping 1960s folk trio Peter, Paul and Mary - which helped popularize Bob Dylan as the voice of a generation - co-writer of the song “Puff, the Magic Dragon” and a prominent social activist,