Mitt Romney called him a “brilliant entrepreneur, fearless conservative, loving husband and father.”

Ann and I are deeply saddened by the passing of @AndrewBreitbart: brilliant entrepreneur, fearless conservative, loving husband and father.

— Mitt Romney (@MittRomney) March 1, 2012

Newt Gingrich called him a pioneer in a tweet, writing “Andrew Breitbart was the most innovative pioneer in conservative
activist social media in America. He had great courage and creativity.”

Herman Cain tweeted that he admired Breitbart’s “fighting spirit.”

I admired @AndrewBreitbart‘s fighting spirit. Thoughts & Prayers to his family. He was my friend & I will miss him #RIP

— Herman Cain (@THEHermanCain) March 1, 2012

Texas Gov. Rick Perry called him a “mighty warrior” in a tweet.

Rep. Michele Bachmann (R-Minn.) said Breitbart was “a man of conviction.”

House Republicans, including Majority Leader Eric Cantor (R-Va.), also tweeted their responses as news of Breitbart’s death spread on Capitol Hill.

I’m stunned to hear about the passing of Andrew Breitbart. My thoughts and prayers are with his wife Susie, his children, and his friends

— Eric Cantor (@EricCantor) March 1, 2012

Rep. Darrell Issa (R-Calif.) eulogized him as a “true media innovator” who “broke barriers, shattering egos and myths.”

.@AndrewBreitbart broke barriers, shattering egos & myths. He was agressive in spreading truth & a true media innovator. #RIP Andrew

— Darrell Issa (@DarrellIssa) March 1, 2012

Rep. Louie Gohmert (R-Texas) tweeted that Breitbart was an “American patriot.”

It’s a sad day. The world has lost an American patriot @AndrewBreitbart — my thoughts & prayers go out to his family.

— Louie Gohmert (@replouiegohmert) March 1, 2012

Many Republicans in Congress sent thoughts and prayers to the Breitbart family on Thursday morning. Breitbart leaves behind a wife and four children.