Richard Askey

Richard Allen Askey (June 4, 1933 – October 9, 2019) was an American mathematician. He was known for his expertise in the area of special functions. The Askey–Gasper inequality for Jacobi polynomials is essential in de Brange's famous proof of the Bieberbach conjecture. He was elected a Fellow of the American Academy of Arts and Sciences in 1993.
In 1999 he was elected to the National Academy of Sciences.Askey biography

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Category:1933 births
Category:2019 deaths
Category:American mathematicians
Category:Writers from St. Louis, Missouri