Department alumnus Simon Levin, George M. Moffett Professor of Biology in the Department of Ecology and Evolutionary Biology at Princeton University, has been awarded the National Medal of Science for his research in ecological complexity. He received his Ph.D. from Maryland in 1964 under the direction of Monroe Martin. An article about him appears in the latest issue of SIAM News. Not that long ago, Levin also received the Tyler Prize for Environmental Achievement.