Joel Asaph Allen was born on this date in 1838. He was an ornithologist who studied under Louis Agassiz and was the first curator of the birds (and mammals) at the American Museum of Natural History.
Waterfall at Yellowstone National Park
Allen headed naturalists for the Smithsonian on the North Pacific Railroad expedition that traversed from Bismarck, North Dakota to Yellowstone. He also helped begin the first Audubon Society in New York.
