Dr. Carl Sagan

The man who dedicated his life to finding extraterrestrial intelligent life

Here's a time line of Dr. Carl Sagan's life:

"Sagan invites me into the lab, and he signs one of his books to me. Didn’t even look, he just reached back and grabbed a book on his shelf, and it was one of his books. That was badass, to just reach back and not even look."

-- Neil deGrasse Tyson. Director of the Hayden Planetarium and hosts Nat Geo’s StarTalk.

If you have time, you should read more about this incredible human being on his Wikipedia entry.