Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto
a co-production of Thirteen for WNET.org and Mannes Productions, Inc. in association with ARTE/France, NDR, Australian Broadcasting Corporation with the participation of YLE ; Louise Rosen Ltd. ; a film by Elena Mannes ; executive producers, Elena Mannes, Margaret Smilow ; written and directed by Elena Mannes
Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto
producer, Dominique Lasseur ; writer, Joan Greco ; broadcast producer/director, Mark Ganguzza ; a production of Fred Friendly Seminars in association with Thirteen and WNET.org
American Experience Films presents ; an Insignia Films production for American Experience ; WGBH Educational Foundation ; WGBH ; directed by Stephen Ives ; produced by Amanda Pollak ; written by Michelle Ferrari
a film by Kunhardt McGee Productions, Inkwell Films, and THIRTEEN Productions, LLC, in association with Ark Media ; senior producer, Rachel Dretzin ; written by Henry Louis Gates, Jr. ; directors, Phil Bertelsen, Leslie Asaka Gladsjo, Sabin Streeter, Jamilla Wignot