This is the genealogy of the programming language PostScript:

PostScript is a child of InterPress.
PostScript was first known as PostScript level 1 in year 1984.
It became PostScript level 2 in year 1994.
It became PostScript level 3 in year 1998, and has not changed much since that time.

Created by John Warnock and Chuck Geschke when they left Xerox to create Adobe and turn Warnock's InterPress into a commercial product.

This genealogy is brought to you by the Programming Languages Genealogy Project. Please send comments to thbz.