a production of Trans Pacific Television and KTEH/San Jose, presented in association with KCET/Los Angeles ; written, produced and directed by Jon Else
a production of Public Affairs Television, Inc., in association with Thomas Lennon Films ; a presentation of Thirteen/WNET, New York ; produced by Joseph Angier, Thomas Lennon ; written by Thomas Lennon & Joseph Angier and Bill Moyers
Produced & directed by Jon Palfreman and Barbara Moran ; written by Jon Palfreman ; a Frontline coproduction with the Palfreman Film Group, Inc. ; WGBH Educational Foundation