Theodore Roosevelt is a man of such overwhelming physical impact that he stamps himself immediately on the consciousness. “Do you know the two most wonderful things I have seen in your country?” says the English statesman John Morley. “Niagara Falls and the President of the United States, both great wonders of nature!”64 Their common quality, which photographs and paintings fail to capture, is a perpetual flow of torrential energy, a sense of motion even in stillness.65 Both are physically thrilling to be near.