Professor Smullyan saw beauty in the puzzles that he created, seemingly nonstop, over the decades, and viewed them as tools to spread the gospel of mathematics. Professor Smullyan paid tribute to Carroll in his 1982 book “Alice in Puzzle-Land: A Carrollian Tale for Children Under Eighty.”Please verify you're not a robot by clicking the box. In one chapter, Professor Smullyan wrote, Alice thinks to herself about how confusing, yet remarkably logical, Humpty Dumpty is. Professor Smullyan is survived by his stepson, Jack Kotik; six step-grandchildren; and 16 step-great-grandchildren. Professor Smullyan said that to be paid so much was unfair.

Source: New York Times February 11, 2017 16:41 UTC