The most renowned naval officer of the mid-nineteenth century, Thomas Cochrane, Tenth Earl of Dundonald (1775-1860), served in wars against Spain and France, retiring as an admiral in the Royal Navy. He was also an M.P., vociferously calling for naval reform in Parliament. Due to a financial scandal, he left the Royal Navy for a period and became a celebrated mercenary, commanding naval forces in the wars of independence of Chile, Peru, Brazil and...