Mark Carwardine is a zoologist, writer, photographer, consultant and broadcaster with a special interest in marine wildlife. He has written more than 40 books, including several bestsellers, and presents a wide variety of natural history programmes on BBC Radio 4. A keen diver for many years, he leads shark and whale-watching holidays to many parts of the world and is an ardent supporter of several wildlife conservation organisations.
Comic genius and Renaissance man, Stephen Fry is writer, actor, comedian, broadcaster, director and librettist. He was voted among the all time top 50 comedians by fellow comedians and ranked 6th in the BBC's Top Living Icon awards.