How Alien connects to Blade Runner, and Philip K Dick’s drug fueled paranoia

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Ever since seeing the first Blade Runner film, I’ve been a fan of Blade Runner and more generally of Dick’s oeuvre. But what makes his work so compelling? Why did it have such an impact on me?

I assume most people these days know about his abuse of amphetamines. It makes perfect sense of the recurring theme of existential paranoia in…