Institute Professor Emeritus Isadore M. Singer, an enormously influential figure in 20th-century science whose work united mathematics and physics, died on Feb. 11. He was 96. In a career that spanned more than 50 years, Singer not only profoundly affected the development of mathematics, but discovered connections between math and physics that led to the creation of a new field, index theory. Singer was the recipient of numerous awards and honors for his pioneering work, including the National Medal of Science and the Abel Prize, often considered the Nobel Prize…
