Samantha Power is the Anna Lindh Professor of Global Leadership and Public Policy Practice at Harvard University's John F. Kennedy School of Government and a foreign policy columnist at Time Magazine. In 2003, her book, A Problem from Hell: American and the Age of Genocide, was awarded the Pulitzer Prize for General Nonfiction, the National Book Critics Circle Award for general nonfiction, the J. Anthony Lukas Book Prize, and the Council on Foreign Relations' Arthur Ross Prize for the best book in U.S. foreign policy.

Fritjof Capra, Ph.D., physicist and systems theorist, is a founding director of the Center for Ecoliteracy in Berkeley, California, which promotes ecology and systems thinking in primary and secondary education. He is on the faculty of Schumacher College, an international center for ecological studies in England, and frequently gives management seminars for top executives. Dr. Capra is the author of five international bestsellers, The Tao of Physics (1975), The Turning Point (1982), Uncommon Wisdom (1988), The Web of Life (1996), and The Hidden Connections (2002). He coauthored Green Politics (1984), Belonging to the Universe (1991), and EcoManagement (1993), and coedited Steering Business Toward Sustainability (1995). His most recent book is The Science of Leonardo.

Judith Freeman is a novelist, essayist, critic and short story writer, author of four novels and a collection of short stories. Her novels include The Chinchilla Farm, Set for Life (winner of the Western Heritage Award in 1991), A Desert of Pure Feeling, and most recently, Red Water, named one of the 100 best books of 2002 by the Los Angeles Times. In 1997 Judith received a John Simon Guggenheim Fellowship in fiction. Her essays, reviews, and stories have appeared in numerous magazines and journals, including The Chicago Tribune, The Washington Post, and The New York Times. She teaches in The Masters of Professional Writing program at the University of Southern California and has been a writer-in-residence at various workshops around the country. She lives in Los Angeles and Idaho.

Alan Alda has earned international recognition as an actor, writer and director. In 2005, he had the distinction of being nominated for an Oscar, a Tony, and an Emmy - and making the New York Times bestseller list - all in the same year. For eleven years he was the inimitable Hawkeye Pierce on the M*A*S*H TV series. On film, he appeared in Martin Scorsese's "The Aviator," for which he received a nomination for an Academy Award. On television, he won his sixth Emmy for the final season of "The West Wing," playing Arnold Vinick, the Republican candidate for President. He is the author, most recently of, Things I Overheard While Talking to Myself. His previous book was the New York Times bestseller Never Have Your Dog Stuffed.