The Art of Computer Typography
signalvnoise.com/posts/3183-the-art-of-computer-typography
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Knuth created TeX and Metafont because he wanted to extend the care he took in his writing to the design and printing of the physical books. He shared them with the rest of the academic community by putting them into the public domain and theyre still popular today, especially in the publication of mathematic and scientific journals.