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In 1931, Caltech invited Albert Einstein to spend some time on their campus, with the hopes that he might eventually join their faculty. While in Southern California, he met Charlie Chaplin, took a photo with an Einstein puppet, enjoyed the mild winter, ruffled a few conservative feathers, then eventually left town. On the train ride back across the country, he visited the Hopi House, near the Grand Canyon, where he posed for a picture with members of the Hopi tribe. The website Hanksville.org revisits the classic photograph (apparently taken by Eugene O. Goldbeck) that documented his short visit: