Pelagius Films presents ; produced by Bob DeMars, Terence Greene and Loren Mendell ; executive producers Joe Fries, Joey Rappa and Jon Hagstrom ; written and directed by Loren Mendell
a production of WGBH Boston ; an Austin Hoyt Productions film for American Experience ; produced by Austin Hoyt, Callie Taintor Wiser ; written and directed by Austin Hoyt
written, produced and directed by Deborah Scranton ; a Clover and a Bee Films production for WGBH/Frontline and the Independent Television Service ; WGBH Educational Foundation