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 production of Florentine Films and WETA-TV ; a film by Ken Burns ; produced by Ken Burns and Ric Burns ; written by Geoffrey C. Ward, Ric Burns and Ken Burns ; directed by Ken Burns