We will walk on our own feet; we will work with our own hands; we will speak our own minds.
--Ralph Waldo Emerson, "The American Scholar," 1837 From the start of transcendentalism and America's intellectual renaissance in the 1830s, to the Civil War and beyond, the story of four extraordinary friends whose lives shaped a nation "Beginning in the 1830s, coincidences that seem almost miraculous in retrospect brought together...