a Frontline and American experience co-production with Helen Whitney Productions ; written by Helen Whitney and Jane Barnes ; produced and directed by Helen Whitney
produced by Barak Goodman, Rachel Dretzin ; directed by Barak Goodman ; a Frontline co-production with 10/20 Productions, LLC ; WGBH Educational Foundation ; WGBH Boston
Sundance Channel Original ; Sundance Channel in association with LOGO presents a World of Wonder production ; executive producers, Fenton Bailey, Randy Barbato ; supervising producer and director, Jeremy Simmons ; producer, Thairin Smothers ; written by Mathilde Bittner ; segment producer, Ashley York
an Educational Film Center production for the American Experience ; WGBH Educational Foundation ; WGBH Boston ; written and produced by Ruth Pollak ; co-producer and writer, Felicia M. Widmann
a Florentine Films production ; a film by Ken Burns, Lynn Novick ; written by Geoffrey C. Ward ; produced by Ken Burns, Lynn Novick, Peter Miller ; produced in association with WETA-TV, Washington