Sidney Nagel

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Sidney Robert Nagel (born September 28, 1948 in New York City ) is an American solid-state physicist.

Nagel studied at Columbia University (Bachelor in 1969) and Princeton University , where he made his master's degree in 1971 and received his doctorate in 1974. He was then at Brown University , from 1976 Assistant Professor at the University of Chicago , where he has been a professor since 1984. He has been the Stein-Freiler Distinguished Service Professor there since 2001. From 1987 to 1991 he was director of the Materials Research Laboratory there.

Nagel dealt with disordered materials such as glasses and granular matter (where he worked a lot with Heinrich Jaeger ). There he investigated phenomena such as jamming , sudden structural changes such as the loss of flowability of glass below a certain temperature or the stopping of flow in piles of sand, glass transition or the bursting of drops of liquid.

In 1979 he became a research fellow of the Alfred P. Sloan Foundation ( Sloan Research Fellow ). In 1999 he received the Oliver E. Buckley Condensed Matter Prize . He has been a member of the National Academy of Sciences since 2003 , the American Academy of Arts and Sciences since 1997, and the American Philosophical Society since 2020 . In 1988 he became a Fellow of the American Physical Society .

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