page_title: Jakob Johann von Uexküll
hierarchical_section_title: Jakob Johann von Uexküll
caption_attribution_description: English: Jakob von Uexküll, ca. 1903 Deutsch: Jakob von Uexküll, ca. 1903
context_page_description: Jakob Johann Freiherr von Uexküll was a Baltic German biologist who worked in the fields of muscular physiology, animal behaviour studies, and the cybernetics of life. However, his most notable contribution is the notion of Umwelt, used by semiotician Thomas Sebeok and philosopher Martin Heidegger. His works established biosemiotics as a field of research.
context_section_description: Jakob Johann Freiherr von Uexküll (German: [ˈʏkskʏl]; 8 September [O.S. 27 August] 1864 – 25 July 1944) was a Baltic German biologist who worked in the fields of muscular physiology, animal behaviour studies, and the cybernetics of life. However, his most notable contribution is the notion of Umwelt, used by semiotician Thomas Sebeok and philosopher Martin Heidegger. His works established biosemiotics as a field of research.
caption: Jakob Johann von Uexküll, 1903
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