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.

The singer-songwriter and social activist best known as one-third of the folk-music group Peter, Paul and Mary, has died at age 86.

Peter Yarrow, who was popular for his stint with the folk music trio Peter, Paul & Mary, has passed away at the age of 86. Known for releasing hits like “Puff, the Magic Dragon,” “500 Miles,” and more with the group,