David Letterman

David Letterman was the most popular late-night host among comedians and younger viewers when he hosted "The Late Show." The show was nominated for 47 Emmys and won six of them.

Letterman hosted "The Late Show" for over 30 years, earning over $30 million each season in his later seasons. He also runs Worldwide Pants, a production firm that has produced a variety of series, including the hugely popular "Everybody Loves Raymond."

"My Next Guest Needs No Introduction," Letterman's Netflix show, pays him $2 million per episode.

"While I was gone, I had quintuple bypass surgery on my heart. Plus, I got a haircut." —David Letterman

Net worth: $400 million

Age: 73

Country: United States