Though few people have heard of A.D. Smith (1811–65), this nineteenth-century knight-errant left his mark on some of the key events of his times in several states, personifying the nineteenth-century impulse to move across the American landscape. Smith’s Quixotic trail began in upstate New York, wound westward to the Ohio and Wisconsin frontier, southward to the federally occupied Sea Islands of South Carolina, and finally ended aboard a northbound steamer. In Ohio, Smith became involved with a paramilitary group, the Hunters’ Lodge, which elected him the "President of the Republic of...