In a paved courtyard surrounded by high apartment houses in the northern part of Berlin, a small crowd had gathered to watch an old high school mathematics teacher demonstrate the brilliance of one of his precocious pupil. The sixty-something math instructor stood proudly with a black, slouch hat covering his thinning white hair. To his left, stood the pupil—an impressive Russian trotting horse.
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Clever Hans: The Horse Who Could Do Math
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Oleh
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