produced by Steven Latham, Larry Klein, Evan I. Schwartz ; written by Larry Klein and Evan I. Schwartz ; directed by Steven Latham ; a Steven Latham production for WGBH/NOVA
produced by Caleb Hellerman, Kate McMahon ; written, produced & directed by Miles O'Brien ; a Frontline production with Mobias Media, Inc. ; a production of WGBH/Boston