a Frontline co-production with the Palfreman Film Group ; WGBH Educational Foundation ; senior producer, Raney Aronson ; co-producer, Kate McMahon ; written, produced, and directed by Jon Palfreman
written, produced and directed by Peter Frumkin ; produced in association with the Center for Independent Documentary ; a co-production of Peter Frumkin Productions LLC and Thirteen/WNET New York
a Providence Pictures production for Nova and WGBH Boston in association with TelFrance and ARTE France ; produced and directed by Scott Tiffany ; written and produced by Gary Glassman
executive producers, Henry Louis Gates, Jr... [and others] ; written by Henry Louis Gates, Jr. ; a production of Kunhardt Productions, Inkwell Films & Thirteen/WNET New York