Philip K. Dick (1928-1982) was an American science fiction writer whose works explored the nature of reality, identity, and the human condition. His novels and short stories have been adapted into numerous films, including Blade Runner, Total Recall, Minority Report, and A Scanner Darkly. His writing often featured themes of paranoia, alienation, and the potential for technology to shape and control humanity. His works have been praised for their philosophical depth and insight into the human condition. He is considered one of the most influential science fiction writers of the 20th century.