When I first arrived at Brigham Young University, I came as a mathematics major, with the vague notion that I wanted to become a cosmologist. (I had almost gone to Caltech, which, in retrospect, would have been a significant mistake.) Also, I seem to recall that I just thought that mathematics was the most purely intellectual of all subjects, something wonderfully admirable, so that was what I wanted to do. I soon realized, though, that mathematics was... Read more