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It's exciting to see that a new Hofstadter book is out!

With respect to bringing beauty into the world in dark times, it's always worth remembering Shostakovich's Symphony No. 7 in C Major, Op. 60, "Leningrad", composed in Leningrad during its 900-day siege by the Nazis, and first performed there later that year, with some of the musicians fainting from starvation: https://www.youtube.com/watch?v=KOkBEqtGUI8 https://en.wikipedia.org/wiki/Symphony_No._7_(Shostakovich)

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In case there are other Hofstadter letterform fans here, last year I tracked down the "gridfonts" repository his research group had put together as part of their work on "letter spirit" last millennium, at https://wayback.archive-it.org/219/20060606215909/http://www.... There were 287 gridfonts in it. I reverse-engineered the file format (before finding the Scheme code that decoded it), hacked together a Python 3 script http://canonical.org/~kragen/sw/dev3/gridfontparse.py to convert it to PostScript, and produced this PDF with all the gridfonts: http://canonical.org/~kragen/sw/dev3/all-gridfonts.pdf

I think I may have been the first person to see some of these fonts in 20 years. But, apparently, there were hundreds more. I have a vague memory that maybe they were lost in a disk crash.

Letterforms aren't copyrightable under US law, where the file in question was initially published, but outline font files are because they are "computer programs". Gridfont letters are 56-bit bitmaps indicating which segments are turned on or off, which to me are obviously not computer programs. Nobody that I know of has ever litigated over letterforms like these:

    font : benzene right
    creator : doug
    create date : Tue Feb 19 15:39:48 EST 1991
    last edit : feb 24 94
    a 058002400B0000
    b 04824B00090000
    c 04800100090000
so I don't think their copyright status has ever been decided. So, if you decide to use these in your product logo or something, there's no guarantee you won't lose a lawsuit to Hofstadter (or his estate, or Indiana University). Don't say I didn't warn you.

That said, that wasn't the motivation for creating them, so I think the risk is fairly small.



Another Doug Hofstadter book! This is so cool. Ambigrams have been one of my fav "things" since I saw them in the GEB book ages ago.

FWIW, "Angels and Demons" bestseller thriller (?) has a few ambigram puzzles that the protagonist Robert Langdon solves to get to the mystery of the Rosslyn chapel (my memory may be fading here)

--x--

Thanks for this set of amazing fonts! They look amazing. Very glyph-y. And they tickle my inner geek.


On the "Angels and Demons" ambigrams...

The artist made such an impression to the book author, Dan Brown, that he (Brown) decided to name the protagonist after him.

Here's John Langdon, artist: https://www.johnlangdon.net/

Having met John (I showed him the second largest Escher collection), I can confirm he's a wonderful person.


Thank you so much for this! It's a great resource and it's wonderful to see it resurrected.


You're welcome! Had you seen the gridfonts before?




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