Feingold, David Sidney

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FEINGOLD, DAVID SIDNEY (1922– ), chemist. Feingold was born in the United States and studied at the Massachusetts Institute of Technology and the University of Zurich. He immigrated to Israel in 1949 and obtained his Ph.D. at the Hebrew University of Jerusalem before joining the department of microbiological chemistry at the Hadassah Medical School. He received the Israel Prize for exact sciences (1957) jointly with his colleagues Gad Avigad and Shlomo Hestrin. He returned to the University of California (1956) and was appointed professor of microbiology at the University of Pittsburgh School of Medicine (1966). Feingold's research concerned sugar metabolism in bacteria and the bean sprout phaseolus aureus and in particular the synthesis of polysaccharides in bacterial cell walls. He also studied the implications for clinical infections, particularly by pseudomonas, and anti-bacterial chemotherapy.