Courtesy of Professor William Jensen, Oesper Chair of the History of Chemistry and Chemical Education, University of Cincinnati
(click drawing to jump to biographical page)
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July 10th, 2005
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July 30th, 2005
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August 24th, 2005
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October 3, 2005
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December 1, 2005
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February 4, 2006
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March 1, 2006
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May 15, 2006
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September 20, 2006
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December 20, 2006
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April 9, 2007
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August 1, 2007
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October 30th, 2007
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