Her adult IQ has been estimated to be 180 using more modern techniques than were available in the 1960s. As of 2003, a Japanese-Korean-American boy of 12 years of age holds the title of highest IQ with a figure so high that it is unmeasurable, but beyond 228. He graduated from Loyola University magna cum laude at age 12, and attends the University of Chicago Medical School on a full scholarship.
Among mathematicians, vos Savant is best known for publicizing the Monty Hall problem, a probabilistic conundrum concerning the game-show host of that name. Its solution is not obvious and has led to some disagreement even in the mathematical field.