Thomas Leo Tom Clancy Jr. (born 12 April, 1947) is an American author, best known for his technically detailed espionage and military science storylines set during and in the aftermath of the Cold War and his video games. His name is also a brand for similar movie scripts written by ghost writers and many series of non-fiction books on military subjects and merged biographies of key leaders. He is also part-owner and Vice Chairman of Community Activities and Public Affairs of the Baltimore Orioles, a Major League Baseball team.