After news broke Thursday morning of Andrew Breitbart's death, many took to Twitter to memorialize the conservative journalist.
Breitbart passed suddenly early Thursday morning. According to his website Big Journalism, Breitbart died "unexpectedly from natural causes shortly after midnight this morning in Los Angeles." He was 43 years old.
Breitbart, who was a regular commentator on cable news programs, became well-known for his time at the Drudge Report. He also played an early role at The Huffington Post.
Breitbart was a best-selling author and columnist. His newest book "Righteous Indignation: Excuse Me While I Save the World!" was on the New York Times bestseller list.
Twitter reacts to Breitbart's death: