A production of The Documentary Guild in association with WGBH Boston for Nova ; WGBH Educational Foundation ; Executive editor, William Grant ; executive producer, Paula S. Apsell ; written, produced and directed by Rob Whittlesey and Noel Buckner
produced and directed by Talya Tibbott and Jo Locke ; produced by Dragonfly Film and Television Productions Ltd. for NOVA/WGBH in association with the BBC
a Nova/WGBH production ; produced by Matthew Barrett, John Rubin, and Sarah Holt ; written by John Rubin ; directed by John Rubin, Rushmore Denooyer, Serena Davies, and Sarah Holt
a NOVA production by Big House Productions for WGBH Boston ; executive producer, Chris Schmidt ; co-produced by Cara Feinberg ; written, produced and directed by Daniel McCabe
a Nova/WGBH, La Cinquième, Südwestrundfunk, Gedéon Programmes, Meridian, and NHK co-production ; produced for Nova by Providence Pictures, Inc. for WGBH/Boston ; written and directed by Liesl Clark
a Nova production by Holt Productions, LLC, for WGBH Boston in association with ARTE France ; written, directed and produced by Sarah Holt ; co-producer, Jaro Savol
a Nova production by Little Bay Pictures for WGBH Boston ; producers, Michael Bicks and Anna Lee Strachan ; writer, Michael Bicks ; director, Anna Lee Strachan
produced by Peter Frumkin ; written and directed by Nancy Porter ; co-producer, Jennifer Pearce ; a film by Nancy Porter Productions, Inc. for Nova in association with WGBH/Boston
narrated by Joe Morton ; produced by Llewellyn Smith, Kelly Thomson ; written and directed by Llewellyn Smith ; Nova production by BlueSpark Collaborative, LLC for WGBH Boston
written, produced, & directed by Iain Riddick ; produced by Ruth Roberts ; produced by Darlow Smithson Productions Ltd, Shock of Mighty Productions and Handel Productions (EFS) Inc. in association with NOVA/WGBH Educational Foundation and Discovery Channel Canada ; WGBH
written and produced by David Fanning & Neil Docherty ; directed by Neil Docherty & David Fanning ; a Frontline production with Five O'Clock Films ; WGBH Educational Foundation
produced for NOVA by BBC for WGBH Boston ; produced and directed by Guy Smith ; series producer (BBC), Zoe Heron ; managing director (NOVA), Alan Ritsko
a Steward/Gazit Productions, Inc. film for American experience ; American Experience Films/PBS presents ; co-produced by Kristina Cafarella, Kathryn Lord ; written, produced & directed by Chana Gazit
a Nova production by Brook Lapping Productions and TPT National Productions for WGBH/Boston ; produced by Oliver Twinch, David Axelrod ; directed by Oliver Twinch and Peter Jones
a Nova production by Lone Wolf Documentary Group for WGBH/Boston ; produced by Kirk Wolfinger and Donna Huttemann ; written, produced, and directed by Rushmore Denooyer