Fourteen individuals received awards from the National Academy of Sciences at a ceremony held in Washington, DC, in April. The winners included the following six, who work in the physical sciences.
NAS presented the Arctowski Medal, awarded every three years, to Roger K. Ulrich, a professor of physics and astronomy at UCLA. He was acknowledged for “recognizing the solar five-minute oscillations as acoustic modes in the solar interior and systematically developing both the theory and the observations to establish today’s precise standard model of the solar interior.” He received a medal and a cash prize of $20 000, plus $60 000 to go to an institution of his choice.
Wallace S. Broecker, Newberry Professor of Earth and Environmental Sciences at the Lamont–Doherty Earth Observatory of Columbia University, won the Arthur L. Day Prize and Lectureship, which is awarded every three years and comes with a cash prize of...