(20 May 1843 – 16 January 1914) was a career officer in the Imperial Japanese Navy in the Meiji-period. Born in Kagoshima, the son of a "samurai" of the Satsuma domain, he studied naval construction and gunnery and participated in the Anglo-Satsuma War. Before the Boshin War, he had already relocated to Edo and placed his naval skills at the service of the forces striving to overthrow the Tokugawa Shogunate. Wikipedia
The definitive Wikipedia entry for Itoh Sukeyuki. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Itoh_Sukeyuki