Seventh Commandant of the Marine Corps. .A Philadelphian born July 16, 1806, he fought Mexicans in California and was a company commander at the First Battle of Bull Run before becoming Colonel Commandant on June 10, 1864 following the death of Harris. .He became the first Brigadier General Commandant and was responsible for the creation and adoption of the Eagle, Globe and Anchor emblem of the U. S. Marine Corps.