Robert Peary, as photograph on one of his expeditions to the Arctic.
Friday, March 19, 2010, 3:00 am EDT
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Thursday, March 18, 2010, 3:47 am EDT
Chemical Heritage Foundation and the National Museum of American Jewish History
Wednesday, March 17, 2010, 10:55 pm EDT
Barbara Bates Center for the Study of the History of Nursing, University of Pennsylvania
Wednesday, March 17, 2010, 3:12 am EDT
Chemical Heritage Foundation
Tuesday, March 16, 2010, 3:00 am EDT
Department of History and Sociology of Science, University of Pennsylvania
Wednesday, March 10, 2010, 3:00 am EST
Chemical Heritage Foundation
Wednesday, March 10, 2010, 3:00 am EST
Center for Cultural Analysis, Rutgers School of Arts and Sciences, New Brunswick, NJ
Tuesday, March 9, 2010, 3:15 am EST
Chemical Heritage Foundation
Saturday, March 6, 2010, 3:17 am EST
Chemical Heritage Foundation
Thursday, March 4, 2010, 3:00 am EST
Barbara Bates Center for the Study of the History of Nursing, University of Pennsylvania
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