This paper is an overview of the philosophy of evolution past, present, and future to be published in Blackwell's Guide to the Philosophy of Science, edited by P.K. Machamer and M. Silberstein. It surveys the following topics: the neutralist/selectionist debate, the adapationist programme and its challenges, sociobiology, contingency, laws of biology, the species category problem, the species taxon problem, the tautology problem, fitness, units of selection
