Chris Claremont's legendary run on Uncanny X-Men changed the balance of power in the comic industry. The early years of Claremont's run — working with artists like Dave Cockrum, John Byrne, Paul Smith, and more — made the X-Men into not only Marvel's best-selling title, but the best-selling title in the comic industry. It did this by creating some of the greatest stories in comics history, like The Dark Phoenix Saga, and introducing dystopian storytelling to comics.
Source：https://www.cbr.com/claremont-uncanny-xmen-biggest-changes/
