Principal Investigator
Robert J. Semper, Ph.D.

Project Directors
Lowell Robinson
Melissa Alexander

Creative Director
Lowell Robinson

Scientific Advisor
Karen Kalumuck, Ph.D.

Content Development
Jenny Villagrán
Adrian Van Allen
Pearl Tesler
Martha Steele
Liz Spencer
Amy Snyder
Rob Rothfarb
Lowell Robinson
Sarah Reiwitch
Nicole Minor
Robin Marks
Julie Konop
Karen Kalumuck
Ellyn Hament
Dia Felix
Yael Braha
Melissa Alexander

Web Site Designers
Jenny Villagrán
Lowell Robinson
Steve Kearsley

Writing and Editing
Pearl Tesler
Martha Steele
Robin Marks
Karen Kalumuck
Ellyn Hament
Ruth Brown
Judith Brand

Video Producers
Liz Spencer
Julie Konop
Dia Felix

Photography
Amy Snyder
Lily Rodriguez

Microphotography
Kristina Yu
Adrian Van Allen

Illustrator
Gary Crounse

Voice
Yuen Chan

Garden Gnome Specialist
David Barker

Research and Evaluation
Sherry Hsi
Holly Auborn Fait

Project Advisors
Charles Carlson, Exploratorium
Kristin Johnson, archivist, Native Seeds
Bob Patterson Ph.D., botanist, San Francisco State University
Walter Valen, horticulturist

Gardening Experts
Chris Wilt, gardener, McMurdo Station, Antarctica
Bob Cannard, farmer, Cannard Farms
Peter D'Amato, California Carnivores
Trudy Hadler, orchid enthusiast, Top Hat Orchids
Eda and John Muller, Farmer John's Pumpkins, Half Moon Bay, California
Annette Smith, gardening enthusiast, Quesada Gardens

Special Thanks
Bat images courtesy of Bat Conservation International http://www.batcon.org
Shane King, documentary filmmaker,
Cottie Johnson, Youth Exhibits Coordinator, California Exposition & State Fair
Gradiva Couzin
Gravity Search Marketing
Jana Diles
Heather T. Drobus and Carole Finnegan, Top Hat Orchids
Irma Marx, garden coordinator, Brooks Park, San Francisco
Ray Vickers-Traft
Sonia Olive
The San Francisco Dahlia Society
Therica Elliott, parent gardener at Claire Lilienthal School Garden