Vince Clarke was in Depeche Mode... then Yaz (or "Yazoo", depending on which side of the Atlantic you're on)... and then Erasure. All good bands.
Showing his basic technique, with a delightfully old (from today's perspective) computer with a sequencer.
In the below footage, at about 4:16, regarding a wall-filling modular synth:
Interviewer: "And how do you come across these things? I mean, they're not so [easy] to find?"
Vince Clarke: "Well -- this I bought new. 'Cause, that's how old I am."
Also, in the above footage -- at around 0:40, check out the shot of the panning around his "synth workshop". I would love to have that sort of setup...