BOSTON - Mary Travers, who as one-third of the hugely popular 1960s folk trio Peter, Paul and Mary helped popularize such tunes as "Puff (The Magic Dragon)" and "If I Had a Hammer," died in a ...

Folk trio Peter, Paul and Mary, from left, Mary Travers, Paul Stookey and Peter Yarrow, perform at a Los Angeles benefit to aid to Cambodian refugees on Jan. 30, 1980. (AP Photo/George Brich, File) ...

Peter Yarrow (left) in the early 1960s with his Peter, Paul and Mary bandmates, Mary Travers and Noel Paul Stookey. Hulton Archive/Getty Images/Hulton Archive hide caption ...

Peter, Paul and Mary disbanded in 1970 to pursue solo ventures, though they reunited throughout the '80s, '90s and 2000s until Travers' death in 2009.

Peter Yarrow from the critically acclaimed 1960s folk trio Peter, Paul and Mary passed away on Tuesday, January 7, at age 86 from bladder cancer. To honor him and the lasting legacy he left on the ...

Peter Yarrow, Paul Stookey and Mary Travers, better known as Peter, Paul and Mary, right to left, are photographed at LaGuardia International High School, April 4, 1995, where they performed some ...

Mary Travers, Paul Stookey and Yarrow. Michael Ochs Archives With Lenny Lipton, Yarrow co-wrote the group’s iconic song “Puff, the Magic Dragon,” which came out in 1963.

Folk trio Peter, Paul and Mary, from left, Mary Travers, Paul Stookey and Peter Yarrow, perform at a Los Angeles benefit to aid to Cambodian refugees on Jan. 30, 1980.

Peter, Paul and Mary disbanded in 1970 to pursue solo ventures, though they reunited throughout the '80s, '90s and 2000s until Travers' death in 2009.

Paul Stookey, left, Mary Travers and Peter Yarrow, who make up the folk group Peter, Paul and Mary, perform in Chicago, July 31, 1983. Paul Natkin/Getty Images ...

Paul Stookey, left, Mary Travers and Peter Yarrow of the legendary folk trio Peter, Paul and Mary, take a bow during their sold-out concert at the Tennessee Performing Arts Center on March 24, 1984.