• Alan Alda

• Senator Birch Bayh

• Rev. Joseph Blitz

• Bishop Carles Buswell

• Archbishop James V. Casey

• Bishop Maurice Dingman

• Bishop John Dougherty

• Bishop Caroll Dozier

• Monsignor John J. Egan

• George Evans

• Bishop Joseph Frances

• George A. Fulcher

• Senator Mike Gravel

• Thomas Gumbleton

• Joseph Grossman

• Richard Hanifen

• Senator Gary Hart

• Father Theodore Hesburgh, CSC

• Joseph Hogan

• Archbishop Raymond G. Hunthausen

• James Jennings

• Senator Ted Kennedy

• Senator Patrick Leahy

• Norman Lear

• Bishop McAuliffe

• Senator Eugene McCarthy

• Senator George McGovern

• Amedee Proulx

• Tony Randall

• Peter Rosazza

• Reverend William Ryan

• Richard J. Sklba

• Joseph M. Sullivan

• Bishop Walter Sullivan

• Archbishop Rembert Weakland

  Sources available here