Evolution through Genetic Exchange

Even before the publication of Darwin's Origin of Species, the perception of evolutionary change has been a tree-like pattern of diversification - with divergent branches spreading further and further from the trunk. In the only illustration of Darwin's t

Michael Arnold is an evolutionary biologist with over 90 scientific articles to his credit. He is best known for the work produced by his group on the evolutionary role of natural hybridization - particularly relating to the plant group known as the Louisiana Irises. However, he has collaborated on evolutionary biology research projects involving organisms as diverse as bats, Columbines, fruit flies and fungi. He has published one other book, entitled Natural Hybridization and Evolution (Oxford University Press, 1997). Mike is also a published outdoor writer whose stories and photographs have appeared in such places as Safari Magazine. Mike and his wife Frances have two adult children, Brian and Jenny.