He's often not credited, at least not in an obvious way. A huge amount of modern sci-fi is based on his incredible imagination. If you like to read, and like trippy sci-fi he is a must.

He is an absolute genius... book he wrote are probably grandfathering sci-fi.

Blade Runner, Minority Report and Total Recall just to name a few were his brainchildren.

"Several years before his death, Philip started having mystical experiences that affected his everyday life. As a result, he started to wonder if what he had imagined for his stories was real and if life was just an illusion or the creation of each person’s subjectivity.

This in-depth program explores Philip K. Dick`s world, a universe full of mysteries and intrigues.”

https://philipdick.com/resources/multimedia/the-penultimate-truth-about-philip-k-dick-2007/

have not watched but it's on the todo list