Peter, Paul and Mary

Mary Travers, from the folk trio Peter, Paul and Mary. lost her battle against cancer this evening at age 72. Their hits included “Leaving on a Jet Plane,” “Puff the Magic Dragon,” “Blowin’ in the Wind,” and “If I Had a Hammer.” Some of the group’s songs became anthems for the 1960s protest movement. The group earned five Grammy Awards. At one point in 1963, three of their albums were in the top six Billboard best-selling LPs as they became the biggest stars of the folk revival movement.