A talented guitarist, synth player, and producer associated with the Canterbury Scene in the 70's. He was a member of space rock bands Khan, Gong, and the electronic band System 7. He made a number of solo albums, his 2 best being Fish Rising and Green. He also produced an ambient record Rainbow Dome Musick that eventually got him involved in other underground electronic music projects in his later career.
The solo at the end of Aftaglid on Steve Hillage's Fish Rising will melt your face off.