Lloyd Tilghman was a man of distinguished family. His forefathers, men of rank during colonial times, included Matthew Tilghman, who helped frame Maryland's constitution, Chief Justice William Tilghman of Pennsylvania and Lieutenant Colonel Tench C. Tilghman, George Washington's military secretary. Trained at West Point, Lloyd Tilghman originally resigned his commission in 1836. However, with the onset of the Mexican conflict--a veritable training...