I believe you're talking about Persi Diaconis, who's now a Stats professor at Stanford. He's not that old (born in 1945), and while he didn't complete high scho

I believe you're talking about Persi Diaconis, who's now a Stats professor at Stanford. He's not that old (born in 1945), and while he didn't complete high school, he did have an undergraduate education, but it was taking evening classes at City College of New York.