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, October 2, 2009, 3:00 am EDT
The Library Company of Philadelphia, Visual Culture Program
Wednesday, September 30, 2009, 1:00 am EDT
Chemical Heritage Foundation
Tuesday, September 29, 2009, 1:00 am EDT
Department of History and Sociology of Science, University of Pennsylvania
Monday, September 28, 2009, 6:48 pm EDT
The Library Company of Philadelphia
Thursday, September 24, 2009, 3:30 am EDT
The College of Physicians of Philadelphia, Section on Medical History
Wednesday, September 23, 2009, 8:00 pm EDT
Chemical Heritage Foundation and Philadelphia Area Center for History of Science
Wednesday, September 23, 2009, 1:46 am EDT
Chemical Heritage Foundation
Monday, September 21, 2009, 1:00 pm EDT
Department of History and Sociology of Science, University of Pennsylvania
Friday, September 18, 2009, 3:00 am EDT
Philadelphia Area Seminar on the History of Mathematics (PASHoM)
Thursday, August 13, 2009, 4:00 am EDT
ISPC, with the Chermical Heritage Foundation and the Departments of Philosophy and History & Sociology of Science, University of Pennsylvania
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