Solomon E. Asch, 88, a social psychologist whose groundbreaking research on peer pressure changed the way people think about themselves in group situations, died Feb. 20 in Haverford, Pa.
In 1952, Dr. Asch published "Social Psychology," a classic textbook that continues to command respect in academic circles. He was emeritus professor of psychology at the University of Pennsylvania, where he taught seven years before retiring in 1979.
James Barbagallo, 43, an American pianist who won the bronze medal at the Tchaikovsky Competition in Moscow in 1982 and performed for several years as a member of the Amadeus Trio, died Monday of a heart attack at his parents' home in San Leandro, Calif. He lived in New York City.
David Durand, 83, of Lexington, Mass., a former professor at the Massachusetts Institute of Technology who was a pioneer in applying statistical tools to problems in financial markets, died Monday of a blood disorder.