Louis Jacobsohn-Lask

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Louis Jacobsohn-Lask (1863-1941)

Louis Jacobsohn-Lask (1863, Bromberg - 1941, Sevastopol) was a German neurologist and neuroanatomist.

He studied medicine at the University of Berlin under Heinrich Wilhelm Waldeyer, Rudolf Virchow, Emil du Bois-Reymond, Ernst Viktor von Leyden and Robert Koch. In 1899 Jacobsohn and Edward Flatau wrote Handbuch der Anatomie und vergleichenden Anatomie des Centralnervensystems der Säugetiere, which included one of first attempts to classify sulci and gyri of human brain cortex. In 1904 he wrote, together with Flatau and Lazar Minor, another monograph, Handbuch der pathologischen Anatomie der Nervensystems. He described a finger flexion reflex called the Bekhterev-Jacobsohn reflex or Jacobsohn reflex.

From left to right (standing) Dr S. Kalischer, Dr Edward Flatau, Dr L. Jacobsohn-Lask, Dr B. Pollack. Berlin, ca 1900.

In 1936 he emigrated with his wife Berta Jacobsohn-Lask, a communist of Jewish origin (married in 1916), to the Soviet Union, where he was encouraged to continue his scientific work. They settled in Sevastopol, where Louis Jacobsohn-Lask died in 1941.

References[edit]

  • Ulrike Eisenberg. Vom "Nervenplexus" zur "Seelenkraft": Werk und Schicksal des Berliner Neurologen Louis Jacobsohn-Lask (1863–1940). (Berliner Beiträge zur Wissenschaftsgeschichte, ed. by Wolfgang Höppner, vol. 10). Frankfurt am Main, Berlin, Bern, Bruxelles, New York, Oxford, Wien. Frankfurt a. M.: Peter Lang – Europäischer Verlag der Wissenschaften, 2005. 513 pp., 11 fig.
  • Home Away from Home: The Berlin Neuroanatomis Louis Jacobsohn-Lask in Russia. W: Ulrike Eisenberg: Doing medicine together: Germany and Russia between the wars. Susan Snell Solomon (red.). Toronto: University of Toronto Press, 2006, s. 407. ISBN 0-8020-9171-7.