"The Marching Morons" by C. M. Kornbluth is a science fiction story published in 1951. A con artist from 1988 awakens in a dystopian future where unintelligent people vastly outnumber a small elite class struggling to maintain civilization. Facing catastrophic overpopulation, the elite ask him to solve their crisis. Drawing on his shady past, he devises a ruthless plan that succeeds beyond expectations—but his masters have their own final solution in mind. (This is an automatically generated summary.)