Keith J. Devlin is an English mathematician and writer. He currently is Executive Director of Stanford University's Center for the Study of Language and Information and a Consulting Professor of mathematics at Stanford. In addition, he is a commentator on National Public Radio's Weekend Edition Saturday, where he is known as "The Math Guy." As of 2004, he is the author of 24 books. Several of his books are aimed at an audience of the general public, … Wikipedia
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