Barney Frank

Gloria Steinem

Bill Nye

Daniel C. Dennett

Sherwin T. Wine

Stephen Jay Gould

Richard Dawkins

Ashley Montagu

Kurt Vonnegut

Barbara Ehrenreich

Bill Gates

Gene Roddenberry

Isaac Asimov

Helen Caldicott

Carl Sagan

Andrei Sakharov

Seth McFarlane

B.F. Skinner

R. Buckminster Fuller

Benjamin Spock

Abraham H. Maslow

Erich Fromm

Carl Rogers

Ani DiFranco