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George Wald

Wald, George, 1906–97, American biochemist, b. New York City, Ph.D. Columbia, 1932. He spent most of his career on the faculty at Harvard. In 1967 Wald, Haldan K. Hartline, and Ragnar Granit received the Nobel Prize in physiology or medicine with for their discoveries concerning the primary physiological and chemical visual processes in the eye. Wald was the first scientist to detect vitamin A in the retina, and he went on to identify three different types of retinal cone cells, each of which has unique protein pigments and enables the eye to react to a specific portion of the color spectrum.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on George Wald from Infoplease:

  • Wald: meaning and definitions - Wald: Definition and Pronunciation
  • Ragnar Granit - Granit, Ragnar Granit, Ragnar, 1900–1991, Swedish physiologist, M.D., Univ. of Helsinki, ...
  • Haldan Keffer Hartline - Hartline, Haldan Keffer Hartline, Haldan Keffer, 1903–83, American physiologist, b. ...
  • Top News Stories from 1967 - News stories covering international, U.S., science, financial, entertainment & sports events from 1967. Includes basic U.S., world & economic statistics and links to detailed statistical data
  • Nobel Prize for Physiology or Medicine - The following table lists every winner of the Nobel Prize in Physiology or Medicine, from 1901 through 2009.

See more Encyclopedia articles on: Biochemistry: Biographies


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