University of Cincinnati/Arlitt Instructional Media in partnership with Purdy Productions ; executive producer/editor Victoria Carr ; director/producer Tom Purdy
Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto
a production of TLC ; in association with James Burke and the Principal Film Company, UK ; a presentation of Discovery Productions ; presented by James Burke
Disney ; produced in association with the National Science Foundation ; KCTS Seattle ; Rabbit Ears Productions ; directed by Michael Gross, Darrell Suto
created at Education Development Center, Inc. by Karen Worth, Ingrid Chalufour, Robin Moriarty, Jeff Winokur, Sharon Grollman ; producer/director, David R. Nelson