Without Stan Lee, Marvel Comics wouldn't be what they are today. The wunderkind came in, created a bunch of iconic, long-lasting characters and stories, and changed the face of comics forever.
It doesn't matter whether you are a Marvel Comics fan, a DC Comics fan, an independent comics fan or whatever, you have to respect mcu phase 5 Stan "The Man" Lee for his contributions to comics. Without Stan we wouldn't have the likes of Spider-Man, the Fantastic Four or the Incredible Hulk. It was his creative genius, meshed with the creative genius of Jack Kirby, Steve Ditko and others of course, that breathed new life into Marvel Comics and comics in general.
When one thinks of prolific comic book creators they think of a handful of names in comparison to the masses. Of the modern era there's Brian Michael Bendis, Geoff Johns, Neil Gaiman, Alan Moore, Jeph Loeb, Grant Morrison and a few choice others. In the Golden and Silver Ages of comics there were also big names that did big things. Bob Kane, Bill Finger, Jerry Siegel, Joe Shuster, Jack Kirby, and of course, Stan Lee.