METAFONT(ID:1238/met010)

Knuth. A system for the design of raster-based alphabets. Companion to TeX. "The METAFONT Book," Donald Knuth, A-W 1986. Version 2.0, March 1990.
Related languages
METAFONT => IDEAL   partly Inspired by
METAFONT => Juno   partly Inspired by
METAFONT => METAPOST   Influence
METAFONT => TeX   Co-development