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
narrated by Joe Morton ; produced by Llewellyn Smith, Kelly Thomson ; written and directed by Llewellyn Smith ; Nova production by BlueSpark Collaborative, LLC for WGBH Boston