Klaus Schulze (4 August 1947 – 26 April 2022) was a German electronic music pioneer, composer and musician. He also used the alias Richard Wahnfried and was a member of the Krautrock bands Tangerine Dream, Ash Ra Tempel, and The Cosmic Jokers before launching a solo career consisting of more than 60 albums released across six decades.

Source: Wikipedia (https://en.wikipedia.org/wiki/Klaus_Schulze)