producer, Patrick Cameron ; director, Mark Stevenson ; a Cream production in association with Twin Cities Public Television, Inc, PBS, National Geographic and TVO
an Invision Productions Limited production in association with Heights Productions, Inc. and WGBH Boston, with the assistance of Lion Television Limited ; series producer, William Cran
an Invision Productions Limited production in association with Heights Productions, Inc. and WGBH Boston, with the assistance of Lion Television Limited ; produced and directed by William Cran ; written by William Cran, Daniel Yergin ; executive producer, Michael Sullivan