> Am 06.06.2018 um 08:19 schrieb René Schmitz <synth at schmitzbits.de>: > > to me there are missing: > > Rick Jansen > Cyril Chapman (Elektor Formant) > René Schmitz :-) Finally someone mentions Chapman ;-) I’d add Helmuth Tünker to the list. AFAIK he published the first description how to DIY a synthesizer in Germany. This was in the mid-seventies. Ingo