Witmer Stone (1866-1939) was one of the preeminent ornithologists of his day, and has been called one of the last of the "great naturalists." In addition to his involvement in the American Ornithologists' Union (AOU), including editing their journal The Auk for 25 years and serving as chairman of their conservation and classification committees, he also produced an exhaustive flora of the New Jersey Pine Barrens which is still used today, and made lesser contributions to mammalogy and entomology. He worked at the Academy of Natural Sciences (ANS) for 51 years, and performed heroic work...