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
with David McCullough ; presented by WGBH/Boston, WNET/New York and KCET/Los Angeles ; writer and producer, Neil Goodwin ; a Peace River Films production for the American Experience
produced by Randall MacLowry, Tracy Heather Strain ; written and directed by Tracy Heather Strain ; senior series producer, Susan Bellows ; a Film Posse, Inc. production for American Experience
PBS ; produced and directed by Riva Freifeld ; written by Ken Chowder ; co-produced by Amy Brown ; a Riva Productions film for American Experience ; WGBH Boston
director, Glenn Holsten ; producer, Chayne Gregg ; writers, David C. Brock, Glenn Holsten, Arnold Thackray ; a Freshfly production for the Chemical Heritage Foundation
ESPN Films presents, in association with Three Tier Entertainment and JMH Films, written by Aaron Cohen & Jason Hehir ; producers: Aaron Cohen...[et al.] ; directed by Jason Hehir