a Maya Vision production in association with the BBC and PBS ; written and presented by Michael Wood ; directed by David Wallace ; produced by Rebecca Dobbs
a Steeplechase Films production ; directed by Ric Burns ; produced by Bonnie Lafave, Katie O'Rourke, Ric Burns ; for Steeplechase Films, executive producers, Agnes Hsu-Tang and Oscar Tang ; series producer, Julie Sacks ; executive producers, Susan Lacy, Michael Kantor ; a production of Steeplechase Films, Inc. and Thirteen Productions LLC's American Masters for WNET
a production of KTCA-TV ; producer/director, Emily Goldberg ; writers, Phillip L. Berman, Emily Goldberg ; co-executive producer, Phillip L. Berman ; executive producer, Catherine Allan
a co-production of ABC/Kane Productions and the BBC, in association with Trebitsch Produktion International GmbH and PBS ; executive producers, Alex Gregory and Dennis B. Kane ; written by Alex Gregory ; produced by Neil Lucas