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Unformatted text preview: the chemist von Stradonitz the notion of the benzene ring, in the 19th century. Catherine Wheel Slide 9-17: Bartolomeo Barini (1450-91), Polyptych with St. James, Virgin, Child, & Saints, detail. The circle is the symbol of mobility , in the form of a wheel. It also appears as an instrument of torment. Catherine of Alexandria (d. 310 AD) refused to marry the emperor, and was imprisoned. Christ appeared and she wed him, a scene depicted in art as The Mystic Marriage of St. Catherine. Enraged, the emperor had a special spiked wheel designed for her torture, but the wheel broke and she was unharmed....
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- Fall '10