Peter Paul and Mary, (Peter Yarrow, Paul Stookey, Mary Travers), 1960s. Courtesy: CSU Archives / Everett Collection
RMCWANKNPeter Paul and Mary, (Peter Yarrow, Paul Stookey, Mary Travers), 1960s. Courtesy: CSU Archives / Everett Collection
Folk Singers Peter, Paul and Mary perform at the March on Washington,  Left to right: Paul Stookey, Mary Travers and Peter Yarrow.
RMG3ACT0Folk Singers Peter, Paul and Mary perform at the March on Washington, Left to right: Paul Stookey, Mary Travers and Peter Yarrow.
PETER PAUL AND MARY - circa 1960's - Courtesy Granamour Weems Collection. Editorial use only
RMDNKY71PETER PAUL AND MARY - circa 1960's - Courtesy Granamour Weems Collection. Editorial use only
Folksinger Peter Yarrow of the 1960's folk group Peter Paul and Mary.
RM2FNHNC6Folksinger Peter Yarrow of the 1960's folk group Peter Paul and Mary.
Peter, Paul and Mary performing live in concert in Central Park in New York in 1978.
RF2J8GRF2Peter, Paul and Mary performing live in concert in Central Park in New York in 1978.
Peter Paul and Mary (from left) Paul Stookey, Mary Travers, Peter Yarrow at the concert for  Amnesty International, Giant Stadiu
RMBTKDTTPeter Paul and Mary (from left) Paul Stookey, Mary Travers, Peter Yarrow at the concert for Amnesty International, Giant Stadiu
The folk singing trio of Peter, Paul and Mary are shown performing on stage during a 'live' concert appearance.
RMRMW69RThe folk singing trio of Peter, Paul and Mary are shown performing on stage during a 'live' concert appearance.
American Folk singers Peter, Paul and Mary arriving at London's heathrow Airport in 1988.
RMPT8R2NAmerican Folk singers Peter, Paul and Mary arriving at London's heathrow Airport in 1988.
Folk group Peter, Paul and Mary, (from left: Paul Yarrow, Mary Travers, Noel Paul Stookey), Los Angeles, CA, February 8, 1968
RM2GP5JGXFolk group Peter, Paul and Mary, (from left: Paul Yarrow, Mary Travers, Noel Paul Stookey), Los Angeles, CA, February 8, 1968
Peter, Paul and Mary performing live in concert in Central Park in New York in 1978.
RF2HD7K5XPeter, Paul and Mary performing live in concert in Central Park in New York in 1978.
Peter Yarrow and Noel Paul Stookey of Peter, Paul & Mary during an interview at a recording studio New York City, USA - 26.07.12
RMDJDBWNPeter Yarrow and Noel Paul Stookey of Peter, Paul & Mary during an interview at a recording studio New York City, USA - 26.07.12
Peter; Paul; and Mary in Concert
RM2FWXF5YPeter; Paul; and Mary in Concert
Washington, DC., USA 27th August 1983 Peter Yarrow and Mary Travers of the Musical group 'Peter, Paul and Mary' get together again at the 20th anniversary of the 'March on Washington' Peter, Paul and Mary were a United States folk-singing trio whose nearly 50-year career began with their rise to become a paradigm for 1960s folk music. The trio was composed of folk song writer Peter Yarrow, (Noel) Paul Stookey and Mary Travers. After the death of Travers in 2009, Yarrow and Stookey continued to perform as a duo under their individual names. Credit: Mark Reinstein
RMFDBJ0BWashington, DC., USA 27th August 1983 Peter Yarrow and Mary Travers of the Musical group 'Peter, Paul and Mary' get together again at the 20th anniversary of the 'March on Washington' Peter, Paul and Mary were a United States folk-singing trio whose nearly 50-year career began with their rise to become a paradigm for 1960s folk music. The trio was composed of folk song writer Peter Yarrow, (Noel) Paul Stookey and Mary Travers. After the death of Travers in 2009, Yarrow and Stookey continued to perform as a duo under their individual names. Credit: Mark Reinstein