Members of the Boston Society for Medical Improvement, circa 1853. Standing: Charles Eliot Ware, Robert William Hooper, Le Baron Russell, and Samuel Parkman. Sitting: George Amory Bethune, Oliver Wendell Holmes, Samuel Cabot, Jonathan Mason Warren, William Edward Coale, and James Browne Gregerson. Reproduction from a image donated to the Boston Medical Library by Joseph Warren in 1949.