This is the genealogy of the programming language
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