[RightWhale]

They should. Maybe most do. My philosophy prof used to amuse himself at parties by approaching various PhDs and starting to talk about philosophy or in a philosophic way. When he quickly established that his quarry knew no more than do ordinary freshman about philosophy, he would ask if the Ph in PhD meant philosophy. Great fun!

[PatrickHenry]

I thought it was widly known that science was originally considered a branch of philosophy, called "natural philosophy," to distinguish it from theology. People we now call scientists were, as recently as Darwin's time, called philosophers.