NEW YORK — Raymond Smullyan, whose merry, agile mind led him to be a musician, a magician, a mathematician, and, most cunningly, a puzzle-creating logician, died Feb. 6 in Hudson, N.Y. He was 97. Dr.

Raymond Smullyan—logician, magician, mathematician, puzzlist, and Taoist philosopher—passed away last year at the age of 97. In each of his vocations, he made serious contributions. But in his heart, ...

Raymond M. Smullyan, a mathematician who died recently, often met people who said they hated math, and yet they loved his logic puzzles. Can you solve this sampling? Related Article A dealer bought an ...

In a game played between White and Black, chess lost a couple of colorful characters in recent days. It’s just been revealed that Joop van Oosterom quietly passed away in Monaco at the tail end of ...

Raymond Smullyan, who has died aged 97, was a magician, concert pianist, hippie and Taoist; he was also an accomplished logician, mathematician and professor of Philosophy at Indiana University ...

News of his death was announced by his step-niece Alison Fleming, who said: "Uncle Raymond Smullyan died yesterday at 97 years of age. He was a brilliant logician (What is the Name of this Book?), ...

Smullyan's puzzles are like children's stories, but ones that push buttons in corners of your mind you never knew existed. Photo: iStock An IAS officer I knew had a younger colleague who would often ...