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.

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?), ...