Argh ! Jule Verne, Pierre Boulle, Barjavel,Moebius, Bilal, Druillet, Melies (pionneer in cinema), Luc Besson. In music that’s hard to say “SF” but if it’s a question of electronic sound so I’ll just say: J.M. Jarre. And of course Pierre Henry in the 60’s Music Tastes among ETARCers? - #949 by kerdorin
Only exemples of course, there are many more 