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John Joseph Hopfield (born July 15, 1933) is an American scientist most widely known for his invention of an associative neural network in 1982. It is now more commonly known as the Hopfield Network. John Hopfield received his A.B. from Swarthmore College
Swarthmore College
in 1954, and a Ph.D in physics from Cornell University
Cornell University
in 1958 (supervised by Albert Overhauser). He spent two years in the theory group at Bell Laboratories, and subsequently was a faculty member at University of California, Berkeley (physics), Princeton University
Princeton University
(physics), California Institute of Technology
California Institute of Technology
(Chemistry and Biology) and again at Princeton, where he is the Howard A. Prior Professor of Molecular Biology, Emeritus. For 35 years, he also continued a strong connection with Bell Laboratories. In 1986 he was a co-founder of the Computation and Neural Systems PhD program at Caltech. He was awarded the Dirac Medal of the ICTP
ICTP
in 2002 for his interdisciplinary contributions to understanding biology as a physical process, including the proofreading process in biomolecular synthesis and a description of collective dynamics and computing with attractors in neural networks, and the Oliver Buckley Prize of the American Physical Society for work on the interactions between light and solids. He is a member of the National Academy of Sciences, the American Philosophical Society, and the American Academy of Arts and Sciences. He received the Albert Einstein World Award of Science
Albert Einstein World Award of Science
in 2005.[1] He was the President of the American Physical Society
American Physical Society
in 2006.[2] His most influential papers have been "The Contribution of Excitons to the Complex Dielectric Constant of Crystals" (1958), describing the polariton; “Electron transfer between biological molecules by thermally activated tunneling” (1974), describing the quantum mechanics of long-range electron transfers; "Kinetic Proofreading: a New Mechanism for Reducing Errors in Biosynthetic Processes Requiring High Specificity" (1974); "Neural networks and physical systems with emergent collective computational abilities" (1982) (known as the Hopfield Network) and, with D. W. Tank, “Neural computation of decisions in optimization problems” (1985). His current research and recent papers are chiefly focused on the ways in which action potential timing and synchrony can be used in neurobiological computation. His former PhD students include Sir David MacKay, Terry Sejnowski, Bertrand Halperin, Steven Girvin, Erik Winfree and José Onuchic.[3] Hopfield was born in 1933 to Polish physicist John Joseph Hopfield and his physicist wife Helen Hopfield. Helen was the older Hopfield's second wife. He is the sixth of Hopfield's children and has three children and six grandchildren of his own. References[edit]

^ " Albert Einstein World Award of Science
Albert Einstein World Award of Science
2005". Archived from the original on October 23, 2013. Retrieved August 13, 2013.  ^ John Hopfield, Array of Contemporary Physicists ^ John Joseph Hopfield at the Mathematics Genealogy Project

External links[edit]

Homepage at Princeton http://www.scholarpedia.org/article/User:Hopfield

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Albert Einstein World Award of Science
Albert Einstein World Award of Science
Laureates

Ricardo Bressani (1984) Werner Stumm (1985) Monokombu Sambasivan Swaminathan (1986) Hugh Huxley (1987) Margaret Burbidge
Margaret Burbidge
(1988) Martin Kamen (1989) Gustav Nossal
Gustav Nossal
(1990) Albrecht Fleckenstein
Albrecht Fleckenstein
(1991) Raymond U. Lemieux
Raymond U. Lemieux
(1992) Ali Javan (1993) Sherwood Rowland
Sherwood Rowland
(1994) Herbert H. Jasper (1995) Alec Jeffreys
Alec Jeffreys
(1996) Jean-Marie Ghuysen (1997) Charles R. Goldman (1998) Robert Weinberg (1999) Frank Fenner (2000) Niels Birbaumer (2001) Daniel H. Janzen (2002) Martin Rees
Martin Rees
(2003) Ralph J. Cicerone
Ralph J. Cicerone
(2004) John Hopfield (2005) Ahmed Zewail
Ahmed Zewail
(2006) Fraser Stoddart
Fraser Stoddart
(2007) Ada Yonath
Ada Yonath
(2008) John T. Houghton
John T. Houghton
(2009) Julio Montaner (2010) Geoffrey Ozin (2011) Michael Grätzel
Michael Grätzel
(2012) Paul Nurse
Paul Nurse
(2013) Philip Cohen (2014) Ewine van Dishoeck
Ewine van Dishoeck
(2015) Edward Witten
Edward Witten
(2016) Omar M. Yaghi
Omar M. Yaghi
(2017)

v t e

Presidents of the American Physical Society

1899–1925

Henry Augustus Rowland
Henry Augustus Rowland
(1899) Albert A. Michelson
Albert A. Michelson
(1901) Arthur Gordon Webster
Arthur Gordon Webster
(1903) Carl Barus
Carl Barus
(1905) Edward Leamington Nichols
Edward Leamington Nichols
(1907) Henry Crew
Henry Crew
(1909) William Francis Magie
William Francis Magie
(1911) Benjamin Osgood Peirce
Benjamin Osgood Peirce
(1913) Ernest Merritt
Ernest Merritt
(1914) Robert Andrews Millikan
Robert Andrews Millikan
(1916) Henry Andrews Bumstead (1918) Joseph Sweetman Ames
Joseph Sweetman Ames
(1919) Theodore Lyman (1921) Thomas Corwin Mendenhall
Thomas Corwin Mendenhall
(1923) Dayton Miller
Dayton Miller
(1925)

1926–1950

Karl Taylor Compton (1927) Henry Gale (1929) William Francis Gray Swann (1931) Paul D. Foote (1933) Arthur Compton
Arthur Compton
(1934) Robert W. Wood
Robert W. Wood
(1935) Floyd K. Richtmyer (1936) Harrison M. Randall (1937) Lyman James Briggs
Lyman James Briggs
(1938) John Torrence Tate, Sr. (1939) John Zeleny (1940) George Braxton Pegram (1941) G. Stewart (1941) Percy Williams Bridgman
Percy Williams Bridgman
(1942) Albert Hull
Albert Hull
(1943) Arthur Jeffrey Dempster
Arthur Jeffrey Dempster
(1944) Harvey Fletcher
Harvey Fletcher
(1945) Edward Condon
Edward Condon
(1946) Lee Alvin DuBridge
Lee Alvin DuBridge
(1947) J. Robert Oppenheimer
J. Robert Oppenheimer
(1948) Francis Wheeler Loomis (1949) Isidor Isaac Rabi
Isidor Isaac Rabi
(1950)

1951–1975

Charles Christian Lauritsen (1951) John Hasbrouck Van Vleck
John Hasbrouck Van Vleck
(1952) Enrico Fermi
Enrico Fermi
(1953) H. Bethe (1954) Raymond Thayer Birge (1955) E. Wigner (1956) Henry DeWolf Smyth
Henry DeWolf Smyth
(1957) Jesse Beams
Jesse Beams
(1958) George Eugene Uhlenbeck
George Eugene Uhlenbeck
(1959) Victor Frederick Weisskopf
Victor Frederick Weisskopf
(1960) Frederick Seitz
Frederick Seitz
(1961) William V. Houston
William V. Houston
(1962) John Harry Williams (1963) Robert Bacher
Robert Bacher
(1964) Felix Bloch
Felix Bloch
(1965) John Archibald Wheeler
John Archibald Wheeler
(1966) Charles H. Townes
Charles H. Townes
(1967) John Bardeen
John Bardeen
(1968) Luis Walter Alvarez
Luis Walter Alvarez
(1969) Edward Mills Purcell
Edward Mills Purcell
(1970) Robert Serber
Robert Serber
(1971) Philip M. Morse (1972) Joseph Edward Mayer (1973) Wolfgang K. H. Panofsky (1974) Chien-Shiung Wu
Chien-Shiung Wu
(1975)

1976–2000

William A. Fowler (1976) George Pake (1977) Norman Foster Ramsey, Jr.
Norman Foster Ramsey, Jr.
(1978) Lewis M. Branscomb
Lewis M. Branscomb
(1979) Herman Feshbach (1980) Arthur Leonard Schawlow (1981) Maurice Goldhaber
Maurice Goldhaber
(1982) Robert Marshak (1983) Mildred Dresselhaus
Mildred Dresselhaus
(1984) Robert R. Wilson
Robert R. Wilson
(1985) Sidney Drell (1986) Val Logsdon Fitch
Val Logsdon Fitch
(1987) James A. Krumhansl (1989) Eugen Merzbacher (1990) Nicolaas Bloembergen
Nicolaas Bloembergen
(1991) Ernest M. Henley (1992) Donald N. Langenberg (1993) Burton Richter
Burton Richter
(1994) C. Kumar Patel (1995) J.R. Schrieffer (1996) D. Allan Bromley
D. Allan Bromley
(1997) Andrew Sessler
Andrew Sessler
(1998) Jerome I. Friedman
Jerome I. Friedman
(1999) James S. Langer (2000)

2001–future

George Trilling (2001) William Brinkman (2002) Myriam Sarachik (2003) Helen Quinn
Helen Quinn
(2004) Marvin Cohen (2005) John Hopfield (2006) Leo Kadanoff
Leo Kadanoff
(2007) Arthur Bienenstock (2008) Cherry A. Murray
Cherry A. Murray
(2009) Curtis Callan
Curtis Callan
(2010) Barry Barish
Barry Barish
(2011) Robert L. Byer
Robert L. Byer
(2012) Michael Turner (2013) Malcolm R. Beasley (2014) Sam Aronson (2015) Homer Neal (2016) Laura Greene (2017) Roger Falcone (2018) David Gross
David Gross
(2019) Philip H. Bucksbaum
Philip H. Bucksbaum
(2020)

Authority control

WorldCat Identities VIAF: 315533758 LCCN: no200109388

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