Breitbart is survived by his wife, Susannah, and four children.
UPDATE: Breitbart was walking last night near his Los Angeles home when he collapsed, his father-in-law, actor Orson Bean told Reuters. A friend of Breitbart also told Reuters he had a history of heart problems and is believed to have suffered a heart attack.
5 Facts About Andrew Breitbart
Andrew grew up in the posh neighborhood of Brentwood in Los Angeles.
He Doesn't Begrudge the Drudge
In 1995, Breitbart saw the Drudge Report and was so impressed that he emailed Matt Drudge. After meeting Drudge and working for him, Andrew called himself "Matt Drudge's bitch." Matt later introduced him to Arianna Huffington, and Andrew helped her create The Huffington Post.
Andrew is also a commentator. He has appeared on numerous TV shows such as "Real Time with Bill Maher" and FOX News Channel's morning show.
He Loves to Tea Party
Breitbart was a keynote speaker at the first National Tea Party Convention in Nashville last year.
Andrew has launched a number of websites in addition to BigGovernment.com, including Breitbart.com, BigHollywood.com, BigJournalism.com and BigPeace.com.