Gideon M HendersonGideon Henderson is Professor of Earth Sciences at Oxford University and was previously an Associate Research Scientist at the Lamont Doherty Earth Observatory of Columbia University, New York. His research interests involve the application of geocheical tools to understand the Earth's surface environment including climate change, past ocean circulation, and geochemical fluxes from land to sea. Professor Henderson is also an editor of Uranium-Series Geochemistry (2003). Read More Read Less