Stephen Hawking outshone Stan Lee in cameos, appearing in both Star Trek: The Next Generation and The Big Bang Theory.

Stan Lee was a legendary American comic book writer who played a significant role in bringing some of the iconic Marvel superheroes such as Spider-Man, X-Men, Iron Man, the Hulk, Thor and the Fantastic Four. His outstanding body of work along with his beloved public persona established him as an influential figure in pop culture.

He continued his public appearances through several cameos in Marvel movies and beyond such as The Big Bang Theory. Despite his immense influence, another notable figure preceded him by having a cameo in two popular series, who is none other than Stephen Hawking.

In the expansive science fiction universe, only a few have achieved the cultural phenomenon of the Star Trek franchise and The Big Bang Theory franchise. Both presented a unique blend of science with storytelling, creating a strong franchise that continues to be on audiences' favorite lists.