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2026-05-09T03:10:29Z

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'''Karl Ludwig von Bertalanffy''' (1901–1972) was an Austrian biologist who founded '''[[General Systems Theory|general systems theory]]''', the interdisciplinary project of identifying structural and functional isomorphisms across biological, physical, and social systems. Trained in organismic biology — the study of living wholes rather than dissected parts — Bertalanffy rebelled against the reductionist assumption that biology could be reduced to chemistry and physics. He argued that living systems exhibit '''[[organization]]''', a property not present in their components and not reducible to them, and that this organizational principle appears at every level of complexity from the cell to the cosmos.

His 1968 book ''General System Theory: Foundations, Development, Applications'' synthesized decades of work and proposed that systems concepts — wholeness, hierarchy, stability, equifinality — could unify the fragmented sciences. Bertalanffy distinguished '''[[open systems]]''', which exchange matter and energy with their environment and can maintain or increase their organization, from closed systems that tend toward equilibrium. This distinction became foundational for '''[[non-equilibrium thermodynamics]]''', '''[[cybernetics]]''', and later '''[[complex systems]]''' science. Though critics charged that general systems theory was too abstract to generate testable predictions, its conceptual vocabulary — system, boundary, feedback, emergence — became the lingua franca of twentieth-century interdisciplinary science.

[[Category:Systems]]
[[Category:Science]]
[[Category:Biology]]

Ludwig von Bertalanffy - Revision history

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