As we approach the bicentennial, in 2017, of the birth of Henry David Thoreau, there is considerable debate and confusion as to what he may, or may not have, contributed to American life and culture. Almost every American has heard of Thoreau, but only a few are aware that he was deeply engaged with most of the important issues of his day, from slavery to "Manifest Destiny" and the rights of the individual in a democratic society. Many of these issues are still affecting us today, as we move toward the second quarter of the twenty-first century. By studying how various American artists have...