Obituary: Thure von Uexküll 1908–2004
Obituary: Thure von Uexküll 1908–2004

Summary/Abstract: Looking back in 2001, Thomas Sebeok (1920– 2001) emphasized how important for the formation of contemporary biosemiotics had been the discussions that he, Giorgio Prodi (1929–1988) and Thure von Uexküll conducted in Freiburg in the 1970s (Sebeok 2001: 63–65). As one of these three main figures, Thure von Uexküll significantly contributed to the realignment of the semiotic threshold (i.e., the threshold below which genuine sign action cannot properly be said to take place) from the borderline between nature and culture to the borderline separating life from non-life — thus effectively making the study of living systems a study of semiosis (Anderson et al. 1984; 1990).

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