Stan Lee has died at the age of 95. The Marvel Comics creator died early Monday morning at Cedars-Sinai Medical Centre in Los Angeles after a short battle with pneumonia.

Born Stanley Martin Lieber, Stan Lee has left behind him a legacy that will live on for many years to come. He started out working for a comic-book company in 1939 at the age of 17. In 1961, Timely Comics became Marvel Comics, and he and illustrator Jack Kirby began to make create the well known superheroes we know today, from Fantastic Four to the X-Men.

Overnight, many celebrities have been paying tribute to Lee, including rival comic-book makers, DC Comics.

Luke Skywalker, Mark Hamill.

Chris Evans, who plays Captain America.

Zoe Saldana, who plays Gamora in 'Guardians of the Galaxy'.

Iconic late-night chat show host Larry King, who was the last person to interview Lee.

Ryan Reynolds, who met Lee for the first time on the set of 'Deadpool'.

Novelist Neil Gaiman, who describes Lee as a "happy huckster."

Kat Dennings, who starred in the first two 'Thor' movies.

Actor George Takei, who told Lee to "Rest with the stars, great sir."

Wolverine himself, Hugh Jackman says he is "proud to have been a small part of his legacy."

Director Edgar Wright.

'X-Men' actor Halle Berry says she "will forever look back on the opportunity with love."

'Guardians of the Galaxy' lead man Chris Pratt.

NASA who paid tribute to the comic-book creator by tweeting a "look into the universe."

Dwayne "The Rock" Johnson described Lee as "A true icon."

Here's a look back at Stan Lee giving an interview on Conan O'Brien in 1995. The comic-book writer talks about his 50 years of work, and how he started out by writing celebrity obituaries.