The X-Men is a huge franchise now, and while Marvel founder Stan Lee is a big part of that, so is a man named Len Wein.

Len Wein, co-creator of Wolverine and Swamp Thing, Marvel editor, and reviver of The X-Men, at Comic-Con 2006.
(
John Rabe
)
The X-Men is a huge franchise now, and while Marvel founder Stan Lee is a big part of that, so is a man named Len Wein.