Isaac Asimov was an American writer and professor of biochemistry, best known for his works in science fiction. He wrote the novel 'I, Robot' in 1950, which is considered to be one of the most influential works in the genre. Asimov was also a prolific author of short stories, essays, and non-fiction works. He is credited with introducing the Three Laws of Robotics, which are a set of rules designed to govern the behavior of robots.