a NOVA production by Erikson & Nilsson Production in association with WGBH/Boston ... [and others] ; medical photography, Lennart Nilsson ; produced, written by Julia Cort
produced by Bill Jersey & Michael Schwarz ; writers, Alex Beckstead, Jason Cohn, Bill Jersey, Max Salomon, Michael Schwarz ; Catticus Corporation ; Quest Productions ; Kikim Media ; KQED presentation
a Saybrook Productions production for Thirteen in association with WNET.ORG ; produced, written, and directed by Jonathan Silvers ; funding provided by the Rita J. & Stanley H. Kaplan Family Foundation ... [and others]
created by Carol Sauvion ; writer, Kyra Thompson ; a co-production of Craft in America, Inc. and the Independent Television Service (ITVS) ; presented in association with KCET/Los Angeles
a film by Ambrica Productions, Inc. in association with the American Experience ; written and directed by Sue Williams ; WGBH-TV, Boston ; WGBH Educational Foundation