Cliff Ollier was born in Manchester and educated at Bristol University (B.Sc, M.Sc., D.Sc.), spenting most of his life in Australia as a geologist and geomorphologist. He is the author over 400 scientific papers and ten books including The Origin of Mountains (2000) and Tectonics and Landforms (1981) which even then had a chapter on The Expanding Earth. He has worked in many universities including Melbourne, Australian National, Oxford, Papua New Guinea, New England, East Anglia, and South Pacific and has done field work in many countries. He applied geomorphology to largescale tectonics through studies of planation surfaces, drainage evolution and great escarpments. He has travelled to over a hundred countries and lectured at over a hundred different universities. He is married with two children and three grandchildren, and long retired.