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David Gale

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David Gale

David Gale (December 13, 1921 – March 7, 2008) was an American mathematician and economist. He was a professor emeritus at the University of California, Berkeley, affiliated with the departments of mathematics, economics, and industrial engineering and operations research. He has contributed to the fields of mathematical economics, game theory, and convex analysis.

Gale graduated with a Bachelor of Arts from Swarthmore College, obtained a M.A. from the University of Michigan in 1947, and earned his Ph.D. in mathematics at Princeton University in 1949. He taught at Brown University from 1950 to 1965 and then joined the faculty at the University of California, Berkeley.

Gale lived in Berkeley, California, and Paris, France, with his partner Sandra Gilbert, feminist literary scholar and poet. He has three daughters and two grandsons. he died on March 7, 2008 of a heart attack at 86

Gale's contributions to mathematical economics include an early proof of the existence of competitive equilibrium, his solution of the n-dimensional Ramsey problem, in the theory of optimal economic growth.

Gale and F. M. Stewart initiated the study of infinite games with perfect information. This work led to fundamental contributions to mathematical logic.

Gale is the inventor of the game of Bridg-It (also known as "Game of Gale") and Chomp.

Gale played a fundamental role in the development of the theory of linear programming and linear inequalities. His classic 1960 book The Theory of Linear Economic Models continues to be a standard reference for this area.

The Gale transform is an involution on sets of points in projective space. The concept is important in optimization, coding theory, and algebraic geometry.

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