Dunham Jackson

Dunham Jackson (1888–1946) was a mathematician who worked within approximation theory, notably with trigonometrical and orthogonal polynomials. He is known for Jackson's inequality. He was awarded the Chauvenet Prize in 1935. His book Fourier Series and Orthogonal Polynomials (dated 1941) was reprinted in 2004.

External links

• Dunham Jackson at the Mathematics Genealogy Project.
• Jackson's photo at Mathematical Association of America site.
• Another (bigger one) photo of Jackson at History of Approximation Theory site.

Persondata
Name	Jackson, Dunham
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Date of birth	1888
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Date of death	1946
Place of death