Author and journalist Robert Novak passed away today, leaving behind a lifetime of journalism.

He wrote the memoir “The Prince of Darkness: 50 Years Reporting in Washington,” which the publisher labeled “the stunningly candid memoir of one of the country’s most influential reporters but also a riveting history of the past half century in American politics.” He also wrote the conservative manifesto, “Completing the Revolution: A Vision for Victory in 2000.”

Here’s more about his television journalism, via TVNewser: “Journalist Robert Novak passed away in his home this morning after being diagnosed with a brain tumor a year ago. He was 78 … CNN, where Novak was once a host and analyst, reported the news on-air at 11:59amET, followed by Fox News at 12:05pmET and MSNBC at 12:13pmET.”