David Suzuki is an acclaimed geneticist and environmentalist and the host of "The Nature of Things". He has written numerous books, including Good News for a Change, From Naked Ape to Superspecies (both co-authored with Holly Dressel), and The Sacred Balance (co-authored with Amanda McConnell), and he is the founder and chair of the David Suzuki Foundation. He is the recipient of the Kalinga Prize for Science, the United Nations Environmental Medal, and the Global 500 award. He holds twelve honorary degrees. Suzuki lives in Vancouver, British Columbia.

Wayne Grady has written eight books of nonfiction, including the critically acclaimed The Bone Museum, The Quiet Limit of the World, Toronto the Wild, and The Nature of Coyotes. He has also translated seven novels and edited six anthologies of short stories, travel, and natural history. In addition, he has written feature articles for most of Canada's major magazines, including Saturday Night, Toronto Life, Canadian Geographic, Equinox, and Harrowsmith. Grady has received the John Glassco Prize (for translation), several National Magazine Awards, the Brascan Award, and three Science Writers of Canada Awards. He is married to the writer Merilyn Simonds and lives in Kingston, Ontario.

Robert Bateman is an internationally renowned wildlife artist. His work has appeared most recently in Birds of Heaven by Peter Matthiessen. He is also the author of Thinking Like a Mountain. He lives on Saltspring Island in British Columbia.