Royal Baking Powder Company. The Little Gingerbread Man. Image courtesy of the New York Academy of Medicine.
Saturday, January 26, 2013, 8:30 pm EST
American Swedish Historical Museum Genealogy Club
Thursday, January 17, 2013, 11:00 pm EST
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Thursday, January 17, 2013, 11:00 pm EST
American Philosophical Society
Wednesday, January 16, 2013, 5:00 pm EST
Thursday, December 13, 2012, 11:00 pm EST
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Thursday, December 13, 2012, 6:00 pm EST
Thursday, December 13, 2012, 5:00 pm EST
The College of New Jersey
Wednesday, December 12, 2012, 8:30 pm EST
Department of the History and Sociology of Science, University of Pennsylvania
Tuesday, December 11, 2012, 5:00 pm EST
Chemical Heritage Foundation, Brown Bag Lecture
Tuesday, December 11, 2012, 4:00 pm EST
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