a Nova production by Terri Randall Productions for WGBH Boston ; produced and directed by Terri Randall ; telescript by Terri Randall ; story by Timothy Smith & David Smith
a NOVA production by part2 pictures LLC and Docere Studios, Inc. in association with NHK for WGBH ; story by Timothy Smith ; telescript by Timothy Smith & David Smith ; directed by David Sharack Smith ; produced by Timothy Smith, David Shadrack Smith