David R. Nelson

David R. Nelson (born September 5, 1951, Stuttgart) is an American physicist, and Arthur K. Solomon Professor of Biophysics, at Harvard University.

Nelson graduated from Cornell University Summa cum laude in 1972, with a MS in 1974, and with a Ph.D. in 1975. He was in the fourth and final class of Cornell's short-lived "Six-year Ph.D. program". Since 1978 he has been a professor at Harvard University.

His research is in the field of condensed matter. Together with Bertrand Halperin, he has established the theory of dislocation-mediated melting in two dimensions.

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