National Geographic ; produced by Darlow Smithson Productions in association with Channel 4 and France 5 for National Geographic Channel ; producer/director, Yavar Abbas
a film by Frank Martin ; directed by Frank Martin ; written by Frank Martin & Jeff Stetson ; produced by Frank Martin, Rudy Poe, James Crite ; story by James Crite, Jeff Stetson ; an Eleventh Day Entertainment Production
a film by Kunhardt Productions ; executive producers, Henry Louis Gates, Jr., William R. Grant, Peter W. Kunhardt ; written by Henry Louis Gates. Jr. ; senior producer, Graham Judd ; archival producer Lewanne Jones ; Leslie D. Farrell ; a production of Kunhardt Productions, Inc., Inkwell Films, and Thirteen/ WNET New York
a film by Kunhardt Productions ; executive producers, Henry Louis Gates, Jr., William R. Grant, Peter W. Kunhardt ; written by Henry Louis Gates. Jr. ; series producers, Graham Judd, Leslie D. Farrell ; a production of Kunhardt Productions, Inc. and Thirteen/ WNET New York