William Hennah
Captain William Hennah, RN, CB (January 1768 - 23 December 1832) was British naval officer, whose largely undistinguished career was suddenly highlighted by his assumption of command of HMS Mars at the battle of Trafalgar in 1805 upon the death of that ship's captain, George Duff, who was decapitated by a cannon ball.
Read more about William Hennah: Early Career, Trafalgar, Later Life, Letter To Mrs George Duff