Stephen Clegg Rowan
Stephen Clegg Rowan (December 25, 1808- March 31, 1890) was a Vice Admiral in the United States Navy, who served during the Mexican-American War and the American Civil War. Rowan had a 63-year career, which was one of the longest in the history of the United States Navy.
copyright: https://en.wikipedia.org/wiki/Stephen_Clegg_Rowan