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Gary Nathan Calkins

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(Redirected from Gary N. Calkins) American protozoologist
Calkins, front row, fourth from right at Woods Hole, 1934

Gary Nathan Calkins (18 January 1869 – 4 January 1943) was an American protozoologist and a professor at Columbia University. He wrote several landmark textbooks on the biology of the protozoa. He described conjugation in Paramoecium and in his taxonomic approach separated chlorophyll containing flagellates from other protists.

Calkins was born in Valparaiso, Indiana to John Wesley Calkins and Emma Frisbie Smith He graduated from Massachusetts Institute of Technology in 1890 and taught for a while. He worked briefly at the Marine Biological Laboratory, Woods Hole, and then continued further studies at Columbia University and obtained a Ph.D. in 1897. His influences at Columbia included Henry Fairfield Osborn. He rose to professor of zoology in 1904 which was later renamed as professor of protozoology. He worked at Columbia University for most of his life retiring as an emeritus professor in 1939. He also took an interest in statistics and worked as a consultant in cancer research with the New York State Department of Health from 1902 to 1908. His major books were The Protozoa (1901) and The Biology of the Protozoa (1926). One of his most important works was in the study of protistan life-histories and the description of conjugation.

Calkins was elected to the United States National Academy of Sciences in 1919 and the American Philosophical Society in 1920.

He is honoured in the name of Calkinsia which is a monotypic genus of excavates comprising the single species Calkinsia aureus.

References

  1. Gregory, William K. (1935). "Henry Fairfield Osborn". Science. 82 (2133): 452–454. Bibcode:1935Sci....82..452G. doi:10.1126/science.82.2133.452. ISSN 0036-8075. JSTOR 1662891.
  2. Corliss, John O. (1998). "Professor Calkins, Conjugation, and the Physiological Life Cycle of Ciliates". Protist. 149 (1): 89–97. doi:10.1016/S1434-4610(98)70012-4. PMID 23196116.
  3. "Gary Calkins". www.nasonline.org. Retrieved 2023-09-20.
  4. "APS Member History". search.amphilsoc.org. Retrieved 2023-09-20.
  5. Guiry, M.D.; Guiry, G.M. (2008). "Calkinsia". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-02-22.

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