Gus Mills is a specialist scientist with the National Parks Board in South Africa. He has spent more than twenty years studying the ecology and behavior of large carnivores and has written a book on hyenas, a popular book on the Kalahari, and was the editor of The Complete Book of Southern African Mammals.
Martin Harvey worked for various National Parks before taking up a professional photographic career in 1993. He has photographed in over twenty-two countries and his photographs have been published in books and magazines throughout the world, including National Geographic and BBC Wildlife.
