L. David Mech is a senior research scientist with the US Geological Survey and adjunct professor in the departments of Fisheries, Wildlife, and Conservation Biology and of Ecology, Evolution, and Behavior at the University of Minnesota. Among his many books are The Wolf and the coauthored The Wolves of Denali.
Stephen R. Thorne is a professional actor and a member of the Trinity Repertory Company in Providence, Rhode Island. He has played Hamlet, Henry V, and Tom Joad, among many other roles. Stephen has narrated over fifty audiobooks.
Greg Breining has written for the New York Times, Sports Illustrated, National Geographic Traveler, and Audubon, among many other publications. He has written more than a dozen books, including Wild Shore: Exploring Lake Superior by Kayak.
Rolf O. Peterson is research professor at Michigan Technological University, where he has led the wolf-moose study at Isle Royale since the early 1970s.