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  1. Robert Harding Whittaker (December 27, 1920 – October 20, 1980) was an American plant ecologist, active from the 1950s to the 1970s. He was the first to propose the five kingdom taxonomic classification of the world's biota into the Animalia , Plantae , Fungi , Protista , and Monera in 1969.

  2. Sep 30, 2013 · Robert Harding Whittaker (b. 1920–d. 1980) was one of the foremost international scholars of ecology and evolutionary biology of the 20th century. Born on 27 December 1920, Whittaker spent his youth in Kansas, obtaining a BA degree in biology in 1942 from Washburn Municipal University in Topeka.

  3. Jan 1, 2012 · Robert Whittaker (1920–1980) was one of the most influential modern ecologists and made important contributions to a wide range of fields ( Westman and Peet 1985 ). Although the five-kingdom system was only a minor part of his work, it reflected two of Whittaker's fundamental interests.

    • Joel B. Hagen
    • 2012
  4. R. H. Whittaker enlivened many fields within ecology, systematics and evolution with his insights. Perhaps his most significant contributions to ecology lie in the development of the theories and methods of gradient analysis.

    • W. E. Westman, R. K. Peet
    • 1982
  5. Apr 1, 2016 · Robert Harding Whittaker (1920–1980) was one of the most productive and eminent plant ecologists of the twentieth century. His career in research is thus of great interest both to scientists and historians of science.

    • Malcolm Nicolson
    • 2
    • 2016
    • 01 April 2016
  6. R. H. Whittaker enlivened many fields within ecology, systematics and evolution with his insights. Perhaps his most significant contributions to ecology lie in the development of the theories and methods of gradient analysis. Through the verification of the individualistic hypothesis with field data from many

  7. ROBERT H. WHITTAKER 427 ualistic species distributions. From later conversations it was apparent that Whittaker keenly appreciated Vestal's influ-ence in shaping his own theoretical approach and, in his later years at Cornell, was pleased to play a similar role for the graduate students of others. Whittaker's doctoral dissertation (1948,1 ...