In the late 1860s, James Crichton-Browne, director of the West Riding Lunatic Asylum, gave Charles Darwin a collection of photographic portraits depicting the “afflicted and insane.” What followed was a six-year relationship in which both men corresponded about “the physical manifestations of natural selection.”
The Mississippi was integral to Mark Twain’s fiction, so David Carkeet traced Twain’s path on the river in the new issue of Smithsonian. “What would Samuel Clemens have made of the Riverwalk? He was a grown child who readily took a God’s-eye view of life on earth. He would have loved it.” Pair with: Our essay on Twain’s travel writing.