a Florentine Films production ; a film by Ken Burns ; written by Geoffrey C. Ward ; produced by Paul Barnes, Pam Tubridy Baucom, Ken Burns ; produced in association with WETA Washington, DC ; executive producer, Ken Burns
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