3HE DIDN’T PUBLISH A SINGLE PAGE

Of the thousands and thousands of pages filled with annotations, drawings of flowers, plants animals and people, anatomical drawings, inventive architectural projects, ideas for machineries, instruments, paintings, flying apparatus, jokes, caricatures, shopping lists and multidisciplinary studies not a single one was published.

When he died, he left them to his disciple and friend Francesco Melzi, but after his death many of them were lost to history. Interestingly, Bill Gates today owns one, the Codex Hammer.

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