a production of WETA Washington, D.C. and Florentine Films/Hott Productions, Inc. in association with Gallaudet University ; produced by Lawrence Hott and Diane Garey ; written by Ken Chowder
a Nova production by Ark Media in association with Realization Pictures ; written and directed by Phil Bertelsen ; produced by Phil Bertelsen and Jane Teeling
co-production of Quest Productions, VideoLine Productions and Thirteen/WNET New York ; series producer, Richard Wormser ; producers, Sam Pollard, Bill Jersey, Richard Wormser ; directors, writers, Bill Jersey, Richard Wormser
produced by Michael Kirk, Marina Kalb ; written and directed by Michael Kirk ; a co-production of the Kirk Documentary Group, Ltd. and WGBH Educational Foundation
produced by Joseph McMaster, Gary Johnstone, Vanessa Tovell ; directed by Gary Johnstone, Joseph McMaster ; written by Joseph McMaster ; a production by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company