Mark Hickson taught in five different colleges over decades. Hickson holds the Ph. D. and the J. D.. He has written numerous books on such communication topics as small group commu...voir plusMark Hickson taught in five different colleges over decades. Hickson holds the Ph. D. and the J. D.. He has written numerous books on such communication topics as small group communication, organizational communication, communication theory, public speaking, and nonverbal communication. He and his wife, Nancy and their children Brennan and Josh, live in Alabama.voir moins