Six generals who fought for the Union were Prussian-born. The highest-ranking was Maj. Gen. Peter J. Osterhaus, a corps commander who served under William Tecumseh Sherman in the March to the Sea. Carl Schurz was a famous political appointment who later became Secretary of the Interior. Karl Leopold Matthies was involved in charging Missionary Ridge in Chattanooga, Tennessee, only to be wounded. Alexander Schimmelfennig avoided capture for two days at the Battle of Gettysburg by hiding in a pigsty. August Willich was captured at the Battle of Stones River, and was wounded at the Battle of Resaca. The other was Frederick Salomon, brother of the wartime governor of Wisconsin Edward Salomon.