This paper aims to give an insight into developments that contributed to the significance of the work of Jakob von Uexküll and stresses the importance of his occupation in Hamburg. A biographical survey pays tribute to the implication of the historical pretext and context. A scientific survey describes findings and ideas of Uexküll that proved important for the development of biology and the cognitive sciences. In addition, this paper sets out to reject the common notion that Uexküll’s concepts were ideas (...) of a purely theoretical and philosophical character. It confirms that in fact the central aims of his work were to sustain the empirical method in biology and to give biology a sound epistemological basis. Some examples show how historical and theoretical developments converged at Uexküll’s Institut für Umweltforschung in Hamburg and ignited a productive research activity. (shrink)

Jakob von Uexküll’s evolutionary views are described and analysed in the context of changes in semiotic and biological thinking at the end of Modern age. As different from the late Modernist biology, a general feature of Post-Modern interpretation of living systems is that an evolutionary explanation has rather secondary importance, it is not obligatory for an understanding of adaptation. Adaptation as correspondence to environment is a communicative, hence a semiotic phenomenon.

For Uexküll, biology is the science of the organization of living beings. In the context of Entwicklungsmechanik, he refers to Driesch’s and Spemann’s experiments on the development of embryonic germ cells to prove that self-differentiating processes constitute organisms as natural objects. Uexküll focuses on the theory of such self-differentiating processes or organizations. The notion of organization implies for him a “technique of nature” that is capable of structuring organic and inorganic material according to plans and rules. These plans and rules (...) are part of the overall order of the world. As preformed sign systems or codes, they determine and regulate the development and existence of individual animal subjects in their specific Umwelten. (shrink)

Georges Canguilhem is one of France's foremost historians of science. Trained as a medical doctor as well as a philosopher, he combined these practices to demonstrate to philosophers that there could be no epistemology without concrete study of the actual development of the sciences and to historians that there could be no worthwhile history of science without a philosophical understanding of the conceptual basis of all knowledge. A Vital Rationalist brings together for the first time a selection of Canguilhem's most (...) important writings, including excerpts from previously unpublished manuscripts and a critical bibliography by Camille Limoges. Organized around the major themes and problems that have preoccupied Canguilhem throughout his intellectual career, the collection allows readers, whether familiar or unfamiliar with Canguilhem's work, access to a vast array of conceptual and concrete meditations on epistemology, methodology, science, and history. Canguilhem is a demanding writer, but Delaporte succeeds in marking out the main lines of his thought with unrivaled clarity; readers will come away with a heightened understanding of the complex and crucial place he holds in French intellectual history. (shrink)