Host
Alan Alda

Written, produced, and directed by
John Angier

Edited by
David Berenson

Associate Producer
Maggie Villiger

Photography
Peter Hoving

Additional Photography
Rich Blundell

Still Photographs
Duncan Metcalfe
Ellen Sue Turner

Wilcox Ranch Still Photographs
Courtesy of Jeanie Jensen

Sound
David Schneiderman
John Cameron

Helicopter Pilot
Andy Borden

Animation and Graphics
Jeremy Angier

Music
Randy Roos

Online Editor
Bill Kenney

Sound Mixer
Richard Bock

Post-Production Supervisor
Sean J. Eunson

Assistant Editor
Mike Hobbs

Special Thanks
Tavaputs Ranch
Utah Department of Natural Resources

Frontiers Web Site
Producer/Designer: Mark Ostrander
Programmer: Ya-Chun Lin
Writers: Polly Hanson, Jacqueline S. Mitchell, Maggie Villiger

Promotion
Edna Sun

Business Manager
Rosalie Berger

For Scientific American Magazine
John Sargent, Chairman
Gretchen Teichgraeber, President and CEO
John Rennie, Editor in Chief

Supervising Editor
David Berenson

Executive Producers
John Angier
Graham Chedd

Presented by
Connecticut Public Television

Produced in Association with
Scientific American Magazine