Richard Leakey, the son of leading paleoanthropologists Louis and Mary Leakey, was Director of the National Museums of Kenya for twenty years and more recently has served his country in a more political role as Director of the Wildlife Service. He made the important discovery of the ¿Turkana Boy¿, a virtually complete skeleton, and his popular books include Origins, The People of the Lake and The Making of Mankind.

Sean Barrett narrated the BBC Modern History series, People¿s Century and appeared in television productions of Twelfth Night and Father Ted.