Robert Barton is professor emeritus of acting at the University of Oregon. He is the author of Style for Actors, Acting: Onstage and Off, Acting Reframes, and co-author of Theatre in Your Life and Life Themes (both with Annie McGregor).
He has been honored as Outstanding Acting Coach by the American College Theatre Festival and writes a column "Many Right Ways" for The Voice and Speech Review.
Rocco Dal Vera is a professor of drama at the University of Cincinnati's College-Conservatory of Music, specialising intheatre voice and speech with particular interest in voice and emotion. He is co author of Acting in Musical Theatre (with Joe Deer, Routledge, 2008), columnist for Dramatics Magazine and Teaching Theatre, and founding editor of the Voice and Speech Review.