a production of Florentine Films and the Television Laboratory at WNET/Thirteen ; a film by Ken Burns, Amy Stechler Burns ; written by Amy Stechler Burns, Wendy Tilghman, Tom Lewis ; produced by Ken Burns and Amy Stechler Burns
written by David Grubin and Geoffrey C. Ward ; produced and directed by David Grubin ; a David Grubin Productions, Inc. film for American Experience in association with PBS