In 1985, Marilyn vos Savant became internationally famous when the Guinness Book listed her IQ at 228, a category so extraordinary it was later retired because it couldn’t be reliably verified. Her newfound fame led to her long-running Ask Marilyn column in Parade magazine, where she explained complex ideas in simple, clear ways. In 1990, she became even more well-known after correctly solving the Monty Hall problem, despite fierce criticism from readers and even PhD mathematicians. Later mathem