Links, Nodes & Bounds
Niklas Luhmann maintained that his Zettelkasten was his second brain. When it came to researching themes and topics for his numerous books and academic papers, its meta-system of links to discrete ideas and references, too numerous for him to hold in entirety in his own brain, formed a kind of physical, paper-based rather than neural network map of his generalised learning process, from which he could inform and enhance his current thinking. Melvil Dewey , in inventing his Decimal Classification system for cataloguing publications - the heart of most of the world's library catalogues, hinted at a method of cross-connection between discrete sources of knowledge to aid further knowledge generation and research. Otlet and La Fontaine extended this idea further established the notion of data connectivity and correlation with the Universal Decimal Classification system , which took Dewey's concept from the simple cataloguing and indexing of documents - taxonomies of books, perio...