the Worlds of Animals and Humans: With a Theory of Meaning, translated by Joseph D. O'Neil, Minneapolis/London: University of Minnesota Press, 2010. Jakob von Uexküll, Theoretical Biology, New York: Harcourt, Brace & Co., 1926. Donald Favareau, "Jakob von Uexküll (1864–1944)." Essential Readings in Biosemiotics: Anthology and Commentary. Dordrecht: Springer, pp. 81–89. Max Scheler, "Formalism in Ethics and Non-Formal Ethics of Values: A New Attempt Toward the Foundation of an Ethical Personalism" (1913-1916): Northwestern University Press (September 1, 1973). Martin Heidegger, The Fundamental Concepts of Metaphysics: World, Finitude, Solitude. Bloomington/Indianapolis: Indiana University Press, 1995, pp. 224, 241, 261–67. Kalevi Kull, "Jakob von Uexküll: An introduction". Semiotica vol. 134: 1–59, 2001. [Includes complete bibliography of Uexküll.] Giorgio Agamben, Chapter 10, "Umwelt" in The Open: Man and Animal, translated by Kevin Attell (Originally published in Italian in 2002 under the title L'aperto: l'uomo e l'animale), Stanford, CA: Stanford University Press, 2004. Carlo Brentari, Jakob von Uexküll. The Discovery of the Umwelt between Biosemiotics and Theoretical Biology, translated by Catriona Graciet (Originally published in Italian in 2011 under the title Jakob von Uexküll. Alle origini dell'antropologia filosofica), Dordrecht/Heidelberg/New York/London: Springer, 2015. It from bit and fit from bit. On the origin and impact of information in the average evolution (Yves Decadt, 2000). Book published in Dutch with English paper summary in The Information Philosopher, http://www.informationphilosopher.com/solutions/scientists/decadt/ Thure von Uexküll. 1992. "Introduction: The sign theory of Jakob von Uexküll". Semiotica 89(4): 279–315. Jui-Pi Chien. 2007. "Umwelt, milieu(x), and environment: A survey of cross-cultural concept mutations". Semiotica 167–1/4, 65–89. External links Jakob von Uexküll page at the Semiotics Department of the University of Tartu Jakob von Uexküll, Institute for theoretical biology, biocybernetics and biosemiotics at the university of Hamburg Jakob von Uexküll, Theoretical Biology, Biocybernetics and Biosemiotics (Journal article) Jakob von Uexküll and his "Institut für Umweltforschung in Hamburg" (PPT - Presentation) Excerpts from "The Theory of Meaning" and "A Stroll Through the Worlds of Animals and Men" in English 1864 births 1944 deaths Baltic-German people Academic staff of the University of Hamburg Cyberneticists Enactive cognition Ethologists Members of the Academy for German Law Non-Darwinian evolution People from Lääneranna Parish People from the Governorate of Estonia Privy Councillor (Russian Empire) Semioticians Theoretical biologists 20th-century German biologists