High Quality Content by WIKIPEDIA articles! Robert Latham Owen, Jr. (February 2, 1856 – July 19, 1947) was one of the first two U.S. senators from Oklahoma. He served in the Senate between 1907 and 1925. He earlier came to public notice as a successful lawyer of part-Cherokee ancestry, who in 1906 won a major court case on behalf of the Eastern Cherokees seeking compensation from the US Government for eastern lands the Cherokees had given up at the time of the Indian removals.