Karl Gottlieb Grell

Karl Gottlieb Grell (28 December 1912, Burg an der Wupper – 4 October 1994) was a German zoologist and protistologist, famous for his work on Trichoplax.[1][2]

Karl Grell received in 1934 his doctorate (Promotion) from the University of Bonn, where he wrote his dissertation on the digestive tract of the common scorpionfly (Panorpa communis). Subsequently, he worked primarily on unicellular eukaryotes and the metazoan Placozoa. During WW II, he was assigned to an anti-malarial unit in southeast Europe.[1]

After the war he returned to Bonn and started to work on nuclear dimorphism in ciliates. In 1954, with the help of the Rockefeller Foundation, he visited the laboratories of T.M. Sonneborn and L.R. Cleveland. Back in Germany Professor Grell became a coworker of Max Hartmann at the Max-Planck-Institute for Biology in Tuebingen.[1]

At the University of Tübingen, Grell was a professor of zoology, teaching protozoology and genetics. He led excursions to study marine protozoa.[3]

Grell published in 1956 the first edition of his textbook Protozoologie, which was followed by a German language 2nd edition in 1968[4] and a 3rd edition (1st English edition) in 1973.[5][6][7] From 1959 to 1983 he was a co-editor for the Archiv for Protistenkunde. In addition to his work on Trichoplax, he was known for his research on life cycles of the Foraminifera.[1]

He was an Honorary President of the IX International Congress of Protozoology in Berlin in 1993.[1]

References
  1. Bardele, Christian F. (8 February 1995). "News of Colleagues. Obituary. Karl G. Grell 1912–1994". Email Newsletter.
  2. "Trichoplax genome project". Yale Peabody Museum of Natural History.
  3. Semenza, G., ed. (2008). Stories of Success: Personal Recollections XI. Vol. 46. Elsevier. pp. 432–433. ISBN 9780080932613.
  4. Corliss, John O. (2000). "Karl G. Grell and the mid-20th century renaissance of Protozoology in Germany". Protist. 151 (1): 81–94. doi:10.1078/1434-4610-00009.
  5. Grell, Karl Gottlieb (2013). Protozoology. Springer. ISBN 9783642619588; pbk reprint of 1973 edition
  6. Corliss, John O. (24 May 1974). "Book Review of Protozoology by Karl G. Grell". Science. 184 (4139): 891. doi:10.1126/science.184.4139.891-a.
  7. Trager, William (June 1975). "Book Review of Protozoology by Karl G. Grell". Quarterly Review of Biology. 50 (2): 210–211. doi:10.1086/408502.
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