Quick! Name a living philosopher. Chances are if you can do it at all, you're going to say Peter Singer, Martha Nussbaum, Shelly Kagan, or Daniel Dennett.
Dennett is probably the best bet because he plays the game at several different levels. He was known until the death of Christopher Hitchins as one of the four horseman of the atheist apocalypse. But his work on free will and consciousness have conferred a kind of celebrity on him.
