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
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