Iain Simpson Stewart, MBE FGS is a Scottish geologist, a Fellow of the Geological Society of London and President of the Royal Scottish Geographical Society. He is Professor of Geoscience Communication at the University of Plymouth and also a member of the Scientific Board of UNESCO's International Geoscience Programme.
Described as geology's "rock star", Stewart is best known to the public as the presenter of a number of science programmes for the BBC, including the BAFTA nominated Earth: The Power of the Planet.
