Vulcan Productions.

Big Table Film Company.

produced by Joseph McMaster, Gary Johnstone, Vanessa Tovell ; directed by Gary Johnstone, Joseph McMaster ; written by Joseph McMaster ; a production by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company.

Cort, Julia, screenwriter, television director.

McMaster, Joseph, television director.

Greene, Brian, 1963- screenwriter, host.

Howes, Ruth (Ruth Hege)

Greene, Brian, 1963- Elegant universe.

WGBH (Television station : Boston, Mass.)

Channel Four (Great Britain)

David Hickman Films (Firm)

Sveriges television.

Norddeutscher Rundfunk.

WGBH Video (Firm)

a Nova production for WGBH/Boston and Channel 4 in association with David Hickman Films, Sveriges Television, and Norddeutscher Rundfunk ; writers, Julia Cort and Brian Greene ; directors, Julia Cort and Joseph McMaster.

Oxley, Christopher.

Neaum, Malcolm.

McMaster, Joseph.

Tyerman, Anne.

Apsell, Paula S.

Abraham, F. Murray.

Handy, Scott.

Snobelen, Stephen.

Force, James E.

Iliffe, Rob.

Wood, Jon.

Hendrie, Nathan.

Ferreh, Safi.

Hadingham, Evan.

Morseberger, Rob.

Foster, Robert.

Blakeway Productions.

British Broadcasting Corporation.

WGBH (Television station : Boston, Mass.)

Public Broadcasting Service (U.S.)

WGBH Video (Firm)

a Blakeway Production for the BBC and WGBH Boston ; produced by Chris Oxley and Malcolm Neaum ; directed by Chris Oxley ; produced for NOVA by Joseph McMaster ; narration written by Joseph McMaster ; executive producer (BBC), Anne Tyerman ; senior executive producer, Paula S. Apsell.

Sahula, Jonathan, television producer.

McMaster, Joseph, television producer, screenwriter.

Wallace, Melanie (Producer)

Swartz, Howard B., television producer.

Aspell, Paula S., television producer.

Judd, Graham, television producer, television director, screenwriter.

Streeter, Sabin, television producer, television director, screenwriter.

MacLowry, Randall, television producer, television director, screenwriter.

Cort, Julia, television producer, television director, screenwriter.

Rosen, Josh, television producer, television director, screenwriter.

DeNooyer, Rushmore, television producer, television director, screenwriter.

Elisco, David screenwriter.

Quade, Doug, television producer, film editor.

Strachan, Anna Lee, television producer.

Greene, Brian, 1963- host.

Audette, Steve, film editor.

Humphreys, Robert, director of photography.

McCarthy, Stephen (Cinematographer)

Tomney, Ed, composer (expression)

Greene, Brian, 1963- Fabric of the cosmos.

32-12 Media (Firm), production company.

Film Posse (Firm), production company.

Spine Films, production company.

Lone Wolf Documentary Group, production company.

ARTE France production company.

National Geographic Channel (Television station : Washington, D.C.), production company.

WGBH Educational Foundation, production company.

PBS Home Video film distributor.

produced and directed by Graham Judd and Sabin Streeter ; telescript by Graham Judd & Sabin Streeter ; story by Joseph McMaster and Graham Judd & Sabin Streeter produced and directed by Randall MacLowry ; telescript by Randall MacLowry ; story by Joseph McMaster and Randall MacLowry produced and directed by Julia Cort and Josh Rosen ; telescript by Julia Cort and Josh Rosen ; story by Joseph McMaster and Josh Rosen (ca. 55 min.) -- produced and directed by Rushmore DeNooyer ; telescript by Rushmore DeNooyer ; story by Joseph McMaster and David Elisco and Rushmore DeNooyer ; produced by Doug Quade ; produced by Anna Lee Strachan (ca. 56 min.)

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.