Paul Rabinowitz, professor of mathematics, received an honorary degree from Complutense University in Madrid, Spain in January 2009. Rabinowitz, currently a Vilas Professor of Mathematics, is well-known for his contributions to nonlinear analysis.
He was elected to the National Academy of Sciences in 1998, received the Birkhoff Prize in Applied Mathematics from the Society of Industrial and Applied Mathematics (SIAM) and won the Hilldale Award in the Physical Sciences at UW-Madison for 2004-2005.