David Nygren

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David Nygren (2007)

David Robert Nygren (born December 30, 1938 ) is an American experimental particle physicist.

Nygren graduated from Whitman College with a bachelor's degree in mathematics in 1960. Nygren received his PhD from the University of Washington in 1967 . He then went to Columbia University , where he became an associate professor in 1969. He has been at the Lawrence Berkeley National Laboratory since 1973, as a Senior Fellow from 1975 and as a Distinguished Scientist from 2000.

He is known for the development of the Time Projection Chamber (TPC), a gas-filled tube with wire chambers that provides a high-resolution three-dimensional image of particle collisions, whereby the particle types can be determined at the same time. A first such detector (built under Nygren's direction) was operated at the SLAC in the PEP-4 detector from 1981 to 1989 . Other such detectors were operated, for example, at KEK in Japan and on the LEP ring of CERN .

In 1985 he received the Ernest Orlando Lawrence Award and in 1998 he received the Panofsky Prize . He is a Fellow of the American Physical Society and has been a member of the National Academy of Sciences since 2000 .

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