It's his film and music work that's getting mentioned in articles and posts, but worth pointing out that the late Philip Castle was also responsible for this iconic image of 1980s British computer games.

https://www.theguardian.com/artanddesign/2026/mar/20/philip-castle-obituary

(Image source: https://www.isfdb.org/cgi-bin/ea.cgi?58281 , which also lists some Andre Norton Witch World covers)