a co-production of the Institute for Research in History and WGBH/Boston ; produced by Barbara Abrash and Martha Sandlin ; written & directed by Martha Sandlin
ESPN Films presents a Laylow Films production ; produced & directed by Ezra Edelman ; produced by Caroline Waterlow ; producers, Tamara Rosenberg, Nina Krstic, Deirdre Fenton, Libby Geist, Erin Leyden, Connor Schell
Eagle Rock Film Productions Limited in association with the Independent Film Channel ; a Bill and Ben Production ; producers, Bill Jones and Ben Timlett ; directors Bill Jones, Alan G. Parker and Ben Timlett
written, produced and directed by Linda Garmon ; a Nova production by the WGBH/Boston Science Unit in association with BBC-TV, NDR International Hamburg and Nederlandse Omroepprogramma Stichting