Raymond M Smullyan
Raymond M. Smullyan, an internationally known mathematical logician, is the author of several books including Alice in Puzzle Land, This Book Needs No Title, and Five Thousand B.C. and Other Philosophical Fantasies.
Raymond M. Smullyan, an internationally known mathematical logician, is the author of several books including Alice in Puzzle Land, This Book Needs No Title, and Five Thousand B.C. and Other Philosophical Fantasies. See less
