JON PALFREMAN, PhD, is the KEZI Distinguished Professor of Broadcast Journalism at the University of Oregon. He is an Emmy, Dupont, and Peabody Awardwinning journalist, and the recipient of the Victor Cohn Prize for Excellence in Medical Science Reporting. He is a three-time winner of an AAAS Science Journalism Award and a three-time winner of the NASW Science in Society Journalism Award. Palfreman is the author of The Case of the Frozen Addicts and The Dream Machine. He lives in Lexington, Massachusetts.

Sean Runnette, a multiple "AudioFile" Earphones Award winner, has produced several Audie Award winning audiobooks and has also narrated works by John Steinbeck and Richard P. Feynman. Of his performance of "The Courage to be Free", "AudioFile" Magazine wrote "Runnette s tender approach to every sentence and paragraph helps the author s wisdom glow. Along with the understated power of the author s writing, Runnette s performance makes this one of the most arresting and thought-provoking audiobooks available today." He is a member of the American Repertory Theater company and has toured internationally with Mabou Mines, an avant-garde theater company. Sean's television and film appearances include "Two If by Sea", "Copland", "Sex and the City", "Law & Order", "Third Watch."