born Nov. 20, 1926, Wilno, Pol.
Polish-born U.S. endocrinologist.
His family fled Poland in 1939, and he received his Ph.D. in biochemistry from McGill University in 1957. He shared a 1977 Nobel Prize for his work with Rosalyn Yalow in isolating and synthesizing {{link=hormone">hormone s produced by the hypothalamus .