Philosopher who taught such future notables as Jerry Fodor, Raymond Geuss, Robert Nozick, and Derek Parfit.
He completed his graduate studies at the University of Pennsylvania where he wrote his senior thesis under the direction of prolific philosopher Nelson Goodman.
He was one of the original founders of the Society for Philosophy and Public Affairs.
He was born and raised in New York City.
He taught at Columbia University for numerous years, which was where author Eric Bell once studied.
