The National Academy of Sciences today elected three professors at the University of California, San Diego to membership in the prestigious National Academy of Sciences, one of the highest honors bestowed on U.S. scientists and engineers. Roberto Malinow, Ruth Williams and William Young were among the 84 new members and 21 foreign associates elected to the academy today “in recognition of their distinguished and continuing achievements in original research.” Ruth Williams, a professor in the Department of Mathematics, is a member of the Graduate Program in Bioinformatics and Systems Biology.