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
a Gardner Films production in association with PBS and Devillier Donegan Enterprises ; produced and directed by Robert Gardner ; Jonathan Grupper, series writer