David N. Livingstone is Professor of Geography and Intellectual History at Queen's University Belfast and a Fellow of the British Academy.  He is the author of a number of books including Nathaniel Southgate Shaler and the Culture of American Science (1987), Darwin's Forgotten Defenders (1984), The Geographical Tradition (1992), Putting Science in its Place (2003), Adam's Ancestors (2008), and Dealing with Darwin (2006).