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
PBS ; an Interstellar Studios production ; executive producers, Dan Koehler and Kris Koenig ; produced and directed by Kris Koenig ; writers, Donald Goldsmith, Kris Koenig and Albert Van Helden ; director, Kris Koenig
senior producer, Jonathan Shula ; series executive producer, Joseph McMaster ; senior series producer, Melanie Wallace ; executive producer, Howard Swartz ; senior executive producer, Paula S. Apsell ; a NOVA Production by 32-12 Media (program 1), Film Posse (program 2), Spine Films (program 3), Lone Wolf Documentary Group (program 4) ; in association with ARTE France and National Geographic Channel ; WGBH Educational Foundation