Throughout his life, Vincent Van Gogh (1853-1890) wrote hundreds of letters, many to his brother Theo. Theo acted as patron, agent, and sounding board to the artist whose life was fraught with poverty, a struggle for recognition, and alternating fits of madness and lucidity. Van Gogh also corresponded with other family members and fellow artists, including his dear friends Paul Gauguin and Emile Bernard. His letters, originally collected by Theo's...