In addition to Mom and Dad, in no particular order:
Siddhārtha Gautama (Buddha)
Mohandas Gandhi
Marin Luther King, Jr
John Lennon
Todd Rundgren/Neil Young/Sting/Bono...
To list only five is quite difficult, since so many people have touched my life and influenced me directly and indirectly (Kahlil Gibran, Dalton Trumbo, Herman Hesse, Abbie Hoffman, Daniel Ellsberg, Helen Caldicott, Rachel Maddow, Hillary Clinton, Hunter S. Thompson, lots of people most of you have never heard of, etc., etc., etc).
Peace and Love,
ADG