Films for the Humanities & Sciences ; a production of Public Affairs Television, Inc. ; a presentation of Thirteen/WNET New York ; producers, Gail Ablow, William Brangham, Peter Meryash, Betsy Rate, Candace White ; directed by Ken Diego ; written by Bill Moyers, Michael Winship
co-production of Quest Productions, VideoLine Productions and Thirteen/WNET New York ; series producer, Richard Wormser ; producers, Sam Pollard, Bill Jersey, Richard Wormser ; directors, writers, Bill Jersey, Richard Wormser