Julian Fitter is a naturalist, conservationist, writer and lecturer with a particular interest in island ecosystems. Having been educated in the UK, Julian spent the next fifteen years in the Laboratory of Evolution in the Galapagos Islands, where he established and ran the first yacht charter operation when the islands received only a few hundred visitors each year. After that he spent time in the Falkland Islands, and more recently in Tristan da Cunha and New Zealand.

David Hosking is a wildlife photographer who, together with his wife Jean, runs the Frank Lane Picture Agency, one of Britain's most prominent natural history photo libraries. He also runs Hosking Tours Ltd, a company that specialises in nature photographic holidays.