Professor Walter Rudin passed away at the age of 89

Walter Rudin, a preeminent mathematician who taught at the University of Wisconsin at Madison for 32 years, died on May 20, 2010 at the age of 89. He is well known for three of his books on mathematical analysis: Functional Analysis, Principles of Mathematical Analysis, and
Real and Complex Analysis. The second and third books are affectionately called "Baby Rudin" and "Big Rudin" by math students.  Walter and his wife Mary Ellen Rudin; who was also an emeritus math professor at Wisconsin, became frequent visitors to Hawaii and the UH Math Department following a sabbatical leave here during the 1980's.
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