Colonel Martin J. "Matt" Winn (1861 - October 6, 1949) was a prominent personality in American thoroughbred horse racing history and president of Churchill Downs racetrack, home to the Kentucky Derby race that he made famous. A Louisville, Kentucky, businessman, Matt Winn had been a racing enthusiast since the day his father brought him to see the first running of the Kentucky Derby in 1875. Wikipedia
The definitive Wikipedia entry for Matt Winn. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Matt_Winn