Edward Witten

Edward Witten
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Name	Edward Witten
Caption	Witten at a conference in 2010.
Birth date	26 August 1951
Birth place	Baltimore, Maryland, U.S.
Fields	Theoretical physics, mathematics
Workplaces	Institute for Advanced Study, Harvard University, Princeton University
Alma mater	Brandeis University (B.A.), Princeton University (M.A., Ph.D.)
Doctoral advisor	David Gross
Known for	M-theory, string theory, topological quantum field theory, Seiberg–Witten theory
Awards	Fields Medal (1990), Albert Einstein Medal (1985), National Medal of Science (2002), Breakthrough Prize in Fundamental Physics (2012), Crafoord Prize (2008)

Edward Witten is an American theoretical physicist and mathematician, widely regarded as the preeminent researcher in string theory and one of the most influential theoretical physicists of his generation. He is a professor at the Institute for Advanced Study in Princeton, New Jersey, and his work has profoundly shaped modern theoretical physics and mathematics, particularly through his formulation of M-theory. Witten is the only physicist to have been awarded the Fields Medal, the highest honor in mathematics.

Early life and education

Born in Baltimore to a Jewish family, his father, Louis Witten, was a physicist specializing in gravitation. He initially pursued studies in history and linguistics at Brandeis University, earning a Bachelor of Arts and contributing to publications like The New Republic and The Nation. A growing interest in particle physics led him to applied mathematics, and he subsequently earned a Master of Arts from Princeton University. Under the supervision of David Gross, a future Nobel laureate, he completed his Doctor of Philosophy in physics in 1976 with a dissertation on quantum chromodynamics.

Career and research

After postdoctoral positions at Harvard University and a brief tenure at Princeton University, he became a professor at Princeton University before joining the permanent faculty of the Institute for Advanced Study in 1987. His research spans the unification of general relativity and quantum mechanics, primarily through the framework of string theory. He has made seminal contributions to supersymmetry, supergravity, and the non-perturbative dynamics of quantum field theories. His work is characterized by a deep synthesis of physical insight and advanced mathematics, influencing fields from geometry to topology.

Major contributions

Witten's most celebrated contribution is the conjecture of M-theory in 1995, which proposed a unifying framework for the five consistent superstring theories in eleven dimensions. This revolutionized the field and ignited the Second Superstring Revolution. Earlier, with Nathan Seiberg, he developed Seiberg–Witten theory, which provided exact solutions to certain supersymmetric gauge theories and had profound implications for mathematics, revolutionizing the study of four-manifolds. He also pioneered topological quantum field theory, introducing the Chern–Simons theory and the influential Witten index. His work on AdS/CFT correspondence, a duality between gravity in Anti-de Sitter space and conformal field theory, is a cornerstone of modern theoretical physics.

Awards and honors

His unique impact is recognized by major awards in both physics and mathematics. He received the Fields Medal in 1990, an unprecedented honor for a physicist. In physics, he has been awarded the Albert Einstein Medal, the Dirac Medal of the International Centre for Theoretical Physics, and the Isaac Newton Medal. He is a recipient of the U.S. National Medal of Science, the Crafoord Prize from the Royal Swedish Academy of Sciences, and the inaugural Breakthrough Prize in Fundamental Physics. He is a member of the American Academy of Arts and Sciences, the National Academy of Sciences, and a foreign member of the Royal Society.

Personal life

He is married to Chiara Nappi, a theoretical physicist at Princeton University. They have two daughters and a son. His sister, Matt Witten, is a television writer and playwright. Known for his quiet and contemplative demeanor, he is an avid reader of history and remains a central, though often critically engaged, figure in the pursuit of a theory of everything.

Category:American theoretical physicists Category:String theorists Category:Fields Medalists Category:Institute for Advanced Study faculty