Linnaeus invented the index card

We all know Carl Linnaeus as the father of taxonomy, but how did he keep all that taxonomic information organized? Turns out he invented index cards:

Speaking at the annual meeting of the British Society for the History of Science in Leicester, UK on Saturday 4 July, Mueller-Wille will reveal his preliminary findings of research on Linnaeus' manuscripts held June 16 at the Linnaean Society of London...

Towards the end of his career, in the mid-1760s, Linnaeus took this further, inventing a paper tool that has since become very common: index cards. While stored in some fixed, conventional order, often alphabetically, index cards could be retrieved and shuffled around at will to update and compare information at any time.

Carl Linnaeus Invented The Index Card

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