Image of Andrew W. Mellon. Mellon, who served as the Secretary of the Treasury and ambassador of the United States to the Court of St. James, was a patron of the arts and sciences. Image courtesy of the Historical Society of Pennsylvania.
Friday, September 28, 2007, 4:31 pm EDT
The McNeil Center for Early American Studies
Friday, September 28, 2007, 3:52 pm EDT
The McNeil Center for Early American Studies
Friday, September 28, 2007, 3:36 pm EDT
The McNeil Center for Early American Studies
Wednesday, September 26, 2007, 6:13 pm EDT
Barbara Bates Center for the Study of the History of Nursing, University of Pennsylvania
Tuesday, September 25, 2007, 5:00 pm EDT
Chemical Heritage Foundation, Brown Bag Lecture
Monday, September 24, 2007, 8:18 pm EDT
Department of History and Sociology of Science, University of Pennsylvania
Sunday, September 23, 2007, 2:06 pm EDT
University of Pennsylvania Museum of Archaeology and Anthropology
Friday, September 21, 2007, 12:00 am EDT
Hagley Museum and Library
Thursday, September 20, 2007, 5:00 pm EDT
The College of Physicians of Philadelphia
Thursday, September 20, 2007, 2:42 pm EDT
Philadelphia Area Seminar on the History of Mathematics (PASHoM)
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