There are some things that neither MIT nor New Jersey could be pleased with, and they could even have won in the market. What they've in widespread is that they're for a niche market, however one which they utterly own even thirty years later with legacy code. TeX appears to solve one of those and succeeds regardless of having an unpleasant macro language.
Poised and self-assured whilst a very young man, Martin had joined EMI in 1950, as assistant to A & R (Artists & Repertoire) govt Oscar Preuss. Rock 'n' roll was not his kind of music, however he dutifully signed rock artists to his label beginning in the late fifties.