Since the 1820s, Ralph Waldo Emerson has provoked an unsettled response from his readers and contentiousness among critics. Critics still contest Emerson's position: Was he poet or philosopher? Did he liberate American literature or narrow it to a one-dimensional idea? Is his signature concept of self-reliance the most profound contribution to democratic individualism or the epitome of capitalism's impoverished thought? But by the mid 20th century the swing between condemnation and celebration of Emerson had given way to the familiar story of his bisected career, which provided a neat...