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That's Namlook again.
I wanted to interject that you forgot Laswell's infatuation with dub-ambient, but you actually overshot it since he also made a whole bunch of disco, funk, jazz, metal, drum'n'bass and whatnot. I think his biggest ambient stint was the series of collaborations with, surprise, Namlook again.
Gas - em:it 0095
Fun fact: there are two ambient artists called Gas, the other one of which released their titular album a year later.
You might also want to add some Terre Thaemlitz, Jeremy Taylor aka firQ, Osamu Sato, Mr Projectile, Chris Zabriskie, Robert Aiki Aubrey Lowe & Ariel Kalma, Peter Rehberg, Bruce Gilbert, Laurie Spiegel and ‘Windows 95 startup sound, slowed 4000%’ to your tracklist.