page_title: Jakob Johann von Uexküll
hierarchical_section_title: Jakob Johann von Uexküll
caption_attribution_description: English: Coat of arms of Uexküll family. Español: Escudo de armas de la familia Uexküll.
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: Coat of arms of the Uradel Uexküll family, in the Baltic Coat of arms book [et] by Carl Arvid von Klingspor [de] in 1882.[4]
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