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And yet what a time for new ideas the 20th century was! In its first decade everything, in every field, was in a state of white-hot flux; Einstein, Freud, Lenin, Madam Curie, Edison, Georges Méliès, Theodore Roosevelt, and the Wright brothers were all fervently at work. Many of the ideas from that time continue to define the world we live in today. Some ideas about art from those early decades proved enduring as well – one can d