Sarah Helen Whitman (1803-1878), poet and critic, is best known for her brief engagement to Edgar Allan Poe in 1848, and for her role as Poe's posthumous defender in her 1860 book, Edgar Poe and His Critics. She is seldom treated as more than an incidental person in Poe biography, and no books of her own poetry were reprinted after 1916. As critic, she was a ground-breaking American defender of Poe, Shelley, Byron, Goethe, Alcott, and Emerson, yet...