From the Malacology collection, one of the largest in the world. Image courtesy of The Academy of Natural Sciences of Drexel University/Corbis.
Monday, October 14, 2013, 8:30 pm EDT
Department of the History and Sociology of Science, University of Pennsylvania
Saturday, October 12, 2013, 1:30 pm EDT
American Mathematical Society
Thursday, October 10, 2013, 11:30 pm EDT
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Thursday, October 10, 2013, 11:00 pm EDT
Wagner Free Institute of Science
Thursday, October 10, 2013, 11:00 pm EDT
Wagner Free Institute of Science
Thursday, October 10, 2013, 10:30 pm EDT
American Philosophical Society
Thursday, October 10, 2013, 5:00 pm EDT
Thursday, October 10, 2013, 10:00 am EDT
Thursday, October 10, 2013, 9:00 am EDT
Wednesday, October 9, 2013, 5:00 pm EDT
Barbara Bates Center, University of Pennsylvania
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