Eliezer Yudkowsky — Notable For: Founder of MIRI; pioneer of AI alignment as a field; author of 'The Sequences' on rationality; author of Harry Potter and the Methods of Rationality; prominent AI doomer

NoteAll five elements of the claim are confirmed by the source: (1) Founder of MIRI—confirmed explicitly; (2) Pioneer of AI alignment—confirmed through his work on 'friendly artificial intelligence' and AI safety research; (3) Author of 'The Sequences'—confirmed (also called 'Rationality: From AI to Zombies'); (4) Author of 'Harry Potter and the Methods of Rationality'—confirmed as fanfiction; (5) Prominent AI doomer—confirmed through his 2023 Time op-ed advocating for AI moratorium and his extensive work on existential risks from AI. The source fully supports all aspects of the claim.