William Davies King can be found, remarkably often, where he works, in the Department of Theater and Dance at the University of California Santa Barbara.
Department webpage and c.v.: http://www.theaterdance.ucsb.edu/people/william-davies-king (link is external)
Email address: [email protected] (link sends e-mail)
Or write to:
Department of Theater and Dance
University of California Santa Barbara
Santa Barbara, CA 93106