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Heinz von Foerster

Humberto Maturana

Warren McCulloch

11 terms in 25 texts

Here standing in front of a representation of the vision system, Lettvin was a large presence on the MIT campus from the 1950s and is available for conversation on Leibniz on short notice
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Gordon Pask developed a framework in his conversation theory that can be understood as 'an architecture for conversations'
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Gordon Pask created a series of machines that he used to develop models of agreement, leading to his conversation theory
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An early machine by Pask was Eucrates (c. 1956), an embodiment of a conversation between machines, where a set of relationships was conveyed from the teacher to the pupil
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The first embodiment of THOUGHTSTICKER (c. 1976) used a knowledge structure (left) to mediate a conversation with a student. As a result of the student's interactions, new perspectives in the knowledge were displayed on the dynamic graphics tubes on the right
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1:

cybernetician Warren McCulloch
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cybernetician Heinz von Forester
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cybernetician Jerome Y Lettvin
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cybernetician Humberto Maturana
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cybernetician Gordon Pask
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Here is Heinz von Foerster sitting before a bookshelf in his home on Rattlesnake Hill in Pescadero, California.
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Heinz von Foerster maintains a clarity of ideas that causes his wife, Mai, to say, 'Heinz has a mind like a crystal.' When shown a manuscript that used the term 'looping-through', Heinz von Foerster replied with a postcard that appeared as above. Drawn are 3 transforms of which the bottom, labelled 'AUTOTOPIC', is what is intended by 'looping-through'
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Heinz von Foerster's presence, even in the US Mail, was formidable. The Biological Computer Lab was a research lab at the University of Illinois in Urbana-Champaign, that was founded and run by von Foerster from the mid-50s to the mid 70s
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This spiral represents a process that converges over time to a stable place (center of the spiral). In cybernetics, processes such as mental concepts have this form, as first pointed out by Heinz von Foerster
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I once asked Heinz how to support the constructivist position with a physicist who claimed thaht, since both of us walk across the room and hit our knees at the same place when we bump into a chair, this proves there is a reality out there. Heinz said, 'Paul, both of you feel pain. Everything after that is inference.'
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Jerry Lettvin worked closely with McCulloch and Maturana at the Research Lab of Electronics on the theories of vision based on experiments on frogs
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Warren McCulloch

Heinz von Foerster

Humberto Maturana

Heinz von Foerster

Heinz von Foerster

Heinz von Foerster

Heinz von Foerster

Heinz von Foerster

Humberto Maturana

Warren McCulloch