Mary Travers of the 1960s folk trio Peter, Paul and Mary, best known for songs like 'If I Had a Hammer' and 'Puff the Magic Dragon,' died Wednesday after a long battle with leukemia. She was 72.

Mary Travers, one-third of the hugely popular 1960s folk trio Peter, Paul and Mary, has died.

Paul Stookey, Mary Travers and Peter Yarrow at The Greek Theatre in 1978. (Photo by Richard McCaffrey/ Michael Ochs Archive/ Getty Images) The singer-songwriter was born in New York.

Peter Yarrow, Noel Paul Stookey and Mary Travers banded together to create Peter, Paul and Mary in 1961 after being introduced by music manager Albert Grossman.

Peter Yarrow, the singer-songwriter, activist and founding member of the folk trio Peter, Paul and Mary, has died at 86 after battling bladder cancer.

Peter Yarrow, of the folk trio Peter, Paul and Mary, dies at age 89 Folk singer Peter Yarrow, known for writing "Puff the Magic Dragon" and being part of the 1960s trio Peter, Paul and Mary ...

Now, a magical pre-Revolutionary War Connecticut farmhouse, where the group’s late singer-songwriter and activist Mary Travers lived from 1966 until her death from leukemia in 2009, has hit the ...

Peter, Paul and Mary, the iconic American folk trio, have been part of music culture with songs like “Leaving on a Jet Plane” and “Puff the Magic Dragon” for more than half a century. Now ...

Peter Yarrow (left) in the early 1960s with his Peter, Paul and Mary bandmates, Mary Travers and Noel Paul Stookey.