Ok zettelkasten fans. Unless someone can come up with an earlier source, the inventor of the zettelkasten method for excerpting and note taking is Konrad Gessner in 1548. (Again it’s not Niklas Luhmann!)
More details to come on this fun bit of history soon.
I'm a biomedical and electrical engineer with interests in information theory, complexity, evolution, genetics, signal processing, IndieWeb, theoretical mathematics, and big history.
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