David Dixon Porter (June 8, 1813 - February 13, 1891) was a United States admiral who became one of the most noted naval heroes of the Civil War. Porter was one of the first U.S. Navy officers to bear the rank of admiral; prior to the Civil War, no officer had held a rank higher than commodore, as "admiral" was considered to have royalist connotations. Wikipedia
David Dixon Porter was born at Chester, Pennsylvania, on 8 June 1813, the son of Commodore David Porter (1780-1843) . His naval career began as a midshipman in 1829, and included service in the peacetime cruising Navy, the Mexican War and the U.S. Civil www.history.navy.mil/photos/pers-us/uspers-p/dd-portr.htm
The definitive Wikipedia entry for David Dixon Porter. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/David_Dixon_Porter