I’ve mentioned Nicolas Fabri de Peiresc on Cipher Mysteries in the past, though mostly in connection with his extensive “Republic of Letters” correspondence, thought to contain somewhere between 10,000 and 14,000 letters. This was because, around 2008, I spent some time wondering whether there might be (hitherto unnoticed) mentions of the Voynich Manuscript in European scientific correspondence networks. A recent email from Diane O’Donovan brought Peiresc back to the front of my mind.

As far as the timing of the Voynich Manuscript’s possible (but sadly not yet certain) sale to Emperor Rudolf II, I’ve long felt it must have happened after 1600 (because there was no mention in Thaddaeus Hagecius ab Hayek’s letters), before 1612 (when Rudolf died), and probably before 1610 (roughly when Rudolf’s brother Matthias took control). If I had to pick a single year, I’d pick 1609, but that’s ultimately no more than an educated guess (yes, the same one that once hurled me down a Rosicrucian rabbit-hole).

Peiresc was a very early telescope owner (in 1610), and probably the first to observe the Orion Nebula (though he didn’t actually stake a claim to this discovery at the time): so was certainly active at the right sort of time. There’s an accessible description of Peiresc’s astronomical activities in Seymour L. Chapin’s “The Astronomical Activities of Nicolas Claude Fabri de Peiresc”, Isis, Vol. 48, No. 1 (Mar., 1957), pp. 13-29, (on JSTOR), through which we can see his wide scientific-minded range of astronomical interests, such as tracking the Jovian moons, producing a detailed engraving of the Moon’s surface, and in using eclipses to determine longitudinal differences.

Peiresc’s Letters

As Hatch points out, Peiresc’s letters are strongly centred on a small number of key correspondents in Paris and Rome: and so its 10,000+ corpus size is perhaps a little bit flattering as to the broader range of his correspondents. Yet he plainly did correspond with astronomers (later in life, he stood up very strongly for Galileo, for example), and so it is far from impossible that there might well be a passing mention of the Voynich Manuscript there.

Unfortunately, I have yet to find an online list of Peiresc’s correspondents (I did see a somewhat unhelpful map that vaguely implied that some were in Prague, or at least Bohemia), so unfortunately I can’t easily compile a list of Peiresc’s astronomy-related letters, as I had initially hoped to do. (Indeed, the intersection of ‘astronomy’ & ‘Prague’ would probably yield a very short list of letters to examine).

Note that Hatch’s chapter “Peiresc As Correspondent: The Republic of Letters & the “Geography of Ideas“” (in Science Unbound, Chapter 2, ed. B. Dolan, Umeå, 1998) seems like it could be promising in this regard, but I haven’t yet seen it.

Peiresc’s Papers

Yet Peiresc had another legacy: his papers. Though he published almost nothing in his lifetime, he constantly made notes on everything he heard and read: and these papers comprised around 60,000 pages at his death, which Gassendi then assiduously ground his way through for two years (to write Peiresc’s biography).

Yet it seems to me that articles on Peiresc tend to be written by people who have carefully selected an achievable thematic subset (e.g. Rubens, astronomy, etc) of his letters to work with (though I don’t believe that his letters have all been published yet) – almost none seems to be informed by his papers.

Might there be some Voynich Manuscript mention in Peiresc’s papers? I don’t know how well these have been indexed (has there ever been an index?), and this post is merely a brief research note – so please let me know if you have a good (probably French!) source describing the contents of Peiresc’s papers!

3 thoughts on “Nicolas Fabri de Peiresc (1580-1637)…

  1. Mark Knowles on September 28, 2022 at 2:00 pm said:

    Whilst I do have a theory of Voynich authorship, I have no theory as to what happened to the Voynich manuscript in the 150+ years since it was written.

    When did it leave the author(s) hands into some other hands?

    Even in the context of my own theory this is hard to answer.

    Did the author(s) sell it?

    In the context of my own theory this seems unlikely. Though it is possible, which I guess would be more likely in later life once there may have been less interest in it.

    Was it passed on to friends or family?

    It could have been a family heirloom that was sold on or given away by a later generation.

    Even if we can translate the manuscript it may give no clue go its later trajectory, though I suppose the later writings such as marginalia could illuminate this.

    It is fun to speculate on this matter, but really I haven’t got the slightest idea what happened to it.

    Who knows if there are references to it in later texts, but it certainly an intriguing idea.

  2. D.N.O'Donovan on September 30, 2022 at 1:00 pm said:

    Just a thought, Nick, but maybe – maybe – (William) Andrew Coulthard Robinson might know where those papers are, from the sort of work he was doing before 2008.
    https://en.wikipedia.org/wiki/W._Andrew_Robinson

  3. D.N.O'Donovan on October 11, 2022 at 7:48 am said:

    Nothing to do with de Peiresc, but it’s about codes.

    I’d always imagined that the Navajo people called ‘code-talkers’ simply talked Navajo, but according to what Connelly learned in Monument Valley (and maybe Los Alamos during the same journey), the Navajo invented their own code too, and it hasn’t been broken yet. It was so efficient that a three-line code which took as much as half an hour to decrypt could be transmitted by the code talkers in less than half a minute.
    Billy Connolly, “Route 66”
    The passage occurs in the audiobook from 7hr 22 minutes 57 secs on
    it’s at youtube
    https //www.youtube com/watch?v=V1tniHHWv4U

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