Nathaniel Semple (October 22, 1876 – October 3, 1913) was an American tennis player. He competed in the men's singles and doubles events at the 1904 Summer Olympics. He earned a medical degree from Washington University in 1897. He died at his home in St. Louis on October 3, 1913. References External links 1876 births 1913 deaths American male tennis players Olympic tennis players of the United States Tennis players at the 1904 Summer Olympics People from Liberty, Missouri Sportspeople from Missouri Tennis people from Missouri Washington University School of Medicine alumni