CARL DJERASSI, professor of chemistry, emeritus, will receive the 2004 Gold Medal from the American Institute of Chemists at a ceremony to be held June 17 at the Chemical Heritage Foundation in Philadelphia. The Gold Medal is the institute's highest honor and is being awarded to Djerassi for his pioneering work on the steroid oral contraceptive and for promoting new approaches to insect control. For more information about the award ceremony visit www.chemheritage.org.

AROGYASWAMI PAULRAJ, professor (research) of electrical engineering, is winner of the 2003 Technical Achievement Award from the Signal Processing Society of the Institute of Electrical and Electronics Engineers (IEEE). The award honors "a person who, over a period of years, has made outstanding technical contributions to the theory and/or practice in technical areas within the scope of the Society, as demonstrated by publications, patents or recognized impact on the field." Paulraj, who supervises the Smart Antennas Research Group, works on space-time communications with applications to mobile, wireless local-area and wide-area networks. He will receive his prize May 18 in Montreal at the 2004 International Conference on Acoustics, Speech, and Signal Processing.

JOHN ROSS, the Camille and Henry Dreyfus Professor of Chemistry, Emeritus, will receive the Theodore William Richards Medal for Conspicuous Achievement in Chemistry from the Northeastern Section of the American Chemical Society during a ceremony at the Harvard University faculty club in Cambridge, Mass., on March 11.