produced and directed by Judith Dwan Hallet, a Judith Dwan Hallet Production ; written by Michael Olmert, Judy Hallet ; cinematography/co-director, Reuben Aaronson ; produced by Hearst Entertainment, Inc. and Tele Images in association with the Arts & Entertainment Networks
presented by Thirteen for WNET.ORG ; Distributed by American Public Television ; A ParnassusWorks Film ; produced and directed by Richard Rifkind, Carole Rifkind
directors, David Marks, Colin Murray, Kate Pringle, Lyndon Bruce, Danielle Peck ; executive producers, Jacqueline Smith, Paul Overton ; series producer, Matt Barrett ; BBC Studios, the Science Unit, Scotland
directors, David Marks, Colin Murray, Kate Pringle, Lyndon Bruce, Danielle Peck ; executive producers, Jacqueline Smith, Paul Overton ; series producer, Matt Barrett ; BBC Studios, the Science Unit, Scotland
producer/directors, Serena Davies, Tom Hewitson, Ross Kirby, Laura Mulholland, Simon Winchcombe ; executive producer, Rob Liddell ; BBC Studios, the Science Unit