Dick Evans became interested in photography as a graduate student at Stanford University and continued his practice throughout a forty-seven-year career in the global metals industry that took him all over the world. San Francisco always remained home base, though, and he now lives in the city with his wife, Gretchen. Evans is the author or coauthor of the photography books San Francisco and the Bay Area: The Haight-Ashbury Edition, The Mission, and San Francisco's Chinatown.

Hannah Hindley is a wilderness guide and the recipient of the Thomas Wood Award in Journalism, the Ellen Meloy Desert Writers Award, and the Barry Lopez Prize in Nonfiction. She graduated from Harvard with degrees in English and evolutionary biology; she holds an MFA in creative nonfiction from University of Arizona. Her environmental essays can be found in Bay Nature, The Sun, Hakai, and more. Hannah writes about small creatures, big landscapes, and the scientists who love them.

Mary Ellen Hannibal is an award-winning environmental author of five books including The Spine of the Continent and Citizen Scientist, and frequent writer for many publications, including the New York Times and Science. She also teaches at the California College of the Arts and the Fromm Institute in San Francisco. She is a creator and writer of "Nature in the City," a spatio-temporal map of San Francisco, which synthesizes more than 40 maps of the terrain and tells stories of change over time. She has received an Alicia Patterson Foundation Fellowship and a Stanford University Media Fellowship, and received the American Association for the Advancement of Science's Science and Society Award and Stanford University's Knight-Risser Prize.