Alexander von Humboldt (1769–1859). De distributione geographica plantarum…. Paris: Lutetiae Parisiorum, 1817. From the exhibit Dialogues with Darwin.
Thursday, September 18, 2008, 4:00 pm EDT
Philadelphia Area Center for History of Science
Tuesday, September 16, 2008, 4:00 pm EDT
Chemical Heritage Foundation, Brown Bag Lecture
Friday, September 12, 2008, 5:00 pm EDT
Philadelphia Area Center for History of Science, Regional Colloquium
Monday, August 18, 2008, 2:00 pm EDT
Chemical Heitage Foundation
Thursday, June 5, 2008, 9:28 pm EDT
Drexel University, Great Works Symposium
Thursday, May 29, 2008, 2:13 am EDT
Spring 2008 Great Works Symposium, Drexel University
Saturday, May 24, 2008, 7:45 pm EDT
The Academy of Natural Sciences
Saturday, May 24, 2008, 3:30 pm EDT
Philadelphia Area Center for History of Science, the Academy of Natural Sciences of Philadelphia, the American Philosophical Society and The Peary-MacMillan Arctic Museum of Bowdoin College
Friday, May 23, 2008, 3:31 pm EDT
Philadelphia Area Center for History of Science, The Academy of Natural Sciences of Philadelphia, the American Philosophical Society and The Peary-MacMillan Arctic Museum of Bowdoin College
Thursday, May 22, 2008, 3:03 pm EDT
Philadelphia Area Center for History of Science, The Academy of Natural Sciences of Philadelphia, the American Philosophical Society and The Peary-MacMillan Arctic Museum of Bowdoin College
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