At the age of 80, George M. Steinbrenner, who has owned the New York Yankees for over 30 years, died of a massive heart attack on Tuesday, July 13. During his ownership of the most successful franchise in Major League Baseball, his teams won seven World Series titles, more than any team in that time period. Known as a disciplinarian who would do anything to win, his rugged business decisions and in-your face behavior made him a recognizable public figure throughout the country. To learn more about the life and death of the most successful owner in all of sports, please read this article from MLB.com