All People

Michael Shermer

Executive Director, Skeptics Society, and Adjunct Economics Professor, Claremont Graduate University

Naturalists from the Oceanic Society, and the film's producer

Paul Ehrlich

Dr. Paul Ehrlich is Bing Professor of Population Studies and President of the Center for Conservation Biology at Stanford University.

Kevin Padian

Dr. Kevin Padian is professor of integrative biology and curator of paleontology at the University of California, Berkeley.

Keith Thomson, Ph.D.

Dr. Keith Thomson is Professor Emeritus of Natural History, University of Oxford, and Senior Research Fellow, the American Philosophical Society.

Dr. Geoffrey Nunberg

Dr. Geoffrey Numberg is a linguist and expert on the implications of digital technologies.

Neil deGrasse Tyson

Director, Hayden Planetarium of the American Museum of Natural History in New York City.

Janet Kessler

Janet Kessler became enticed into photography as she discovered many different animals during her daily walks in San Francisco.

Edward Asner

Edward Asner is primarily known for his Emmy-winning role as Lou Grant on The Mary Tyler Moore Show

David Ewing Duncan

David Ewing Duncan is an author, commentator, and academic.

Wendy Northcutt

Wendy Northcutt is the best-selling author of The Darwin Award series.

Richard Milner

Richard Milner is renowned performer as well as an anthropologist and author.

Porchlight: Beth Lisick and Arline Klatte

Porchlight is a monthly storytelling series hosted by Beth Lisick and Arline Klatte.

Dr. Matthew James

Matthew James is Professor of Paleontology and Chair, Department of Geology, Sonoma State University.

John Dillon

John Dillon is a Lecturer in the History of Science, University Extensions at Berkeley, SF State, and Stanford University.

Dr. Terrence Gosliner

Dr. Gosliner is Curator of Invertebrate Zoology & Geology at the California Academy of Sciences.

Gary Williams, Ph.D.

Dr. Williams is Curator of Invertebrate Zoology & Geology at the California Academy of Sciences.

Dr. David Mindell

Dr. Mindell is Dean of Science and Research Collections, California Academy of Sciences