Kirk Bryan (geologist) bigraphy, stories - Geologists

Kirk Bryan (geologist) : biography

22 July 1888 - 22 August 1950
Kirk Bryan

The son of R.W.D. Bryan (Astronomer Under Hall in the Polaris expedition), Bryan received his undergraduate education at the University of New Mexico and later obtained a Ph.D. from Yale University., by Derwent Whittlesey, Annals of the Association of American Geographers, Vol. 41, No. 1 (Mar., 1951), pp. 88-94

A geomorphologist, he worked primarily in arid regions, and was one of the pioneers in explaining the forces that formed landmasses in those areas.

According to Luna Leopold, one of his students, Bryan was influential as a teacher. In 2004, Leopold wrote:, Luna B. Leopold, Annu. Rev. Earth Planet. Sci. 2004. 32:l-12

His students made important advances in a variety of subjects, including alluvial chronology, periglacial and glacial geology, wind action, soil and vegetative effects on landscape development, and archaeology. His influence is indicated by the fact that of the four geologists who have received the National Medal of Science, three were students of Kirk Bryan.Leopold did not provide a list of the National Medal of Science winners to whom he referred, and his meaning is not apparent. Earth scientists in addition to Leopold who had received the National Medal of Science at the time of this statement include geochemist Wallace S. Broecker, oceanographer Walter Munk, geophysicist Frank Press, oceanographer Roger Revelle, geologist William Rubey, planetary geologist Eugene Shoemaker, meteorologist Verner Suomi, geophysicist George Wetherill, and geographer Gilbert F. White. None of these men's biographies (other than Leopold's) suggest that they ever studied formally under Bryan, although several may have collaborated with him.

The Geological Society of America's Kirk Bryan Award is named in his honour. It is awarded annually in recognition of a publication of distinction advancing the science of geomorphology or Quaternary geology,, Geological Society of America website which were Bryan's areas of specialization.


Bryan was a prolific writer. This is a partial list of his scientific contributions:

  • 1925. Date of channel trenching (arroyo cutting) in the arid Southwest. Science 62(1607): 338–344.
  • 1927. Channel erosion of the Rio Salado, Socorro County, New Mexico. U.S. Geological Survey Bulletin 79: 15–19.
  • 1928. Historic evidence on changes in the channel of Rio Puerco, a tributary of the Rio Grande in New Mexico. Journal of Geology 36(3): 265–282.
  • 1928. Change in plant associations by change in ground water level. Ecology 9(4): 474–478.
  • 1929. Flood-water farming. Geographical Review 19:444–456.
  • 1929. Folsom culture and its age. Geological Society of America Bulletin 40:128-129.
  • 1938. Prehistoric quarries and implements of pre-Amerindian aspect in New Mexico. Science (new series) 87 (229): 343–346.
  • 1941. Geologic antiquity of man in America. Science 93 (2422): 505-514.
  • K. Bryan and C.C. Albritton. 1943. Soil phenomena as evidence of climate changes. American Journal of Science 241: 469-490.
  • 1950. The Place of Geomorphology in the Geographic Sciences. Annals of the Association of American Geographers, Vol. 40, No. 3 (Sep., 1950), pp. 196–208
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