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 film by Ken Burns ; a production of Florentine Films, in association with WETA-TV, Washington ; American Lives Film Project ; produced by Ken Burns, Camilla Rockwell ; written by Geoffrey C. Ward