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Herbert Philipp examining a high vacuum tube used in measuring the photoelectric emission from germanium crystals.
Thursday, September 30, 2010, 3:51 am EDT
Sylwester Ratowt, Professor of History of Science, The Wagner Free InstituteThe Wagner Free Institute of Science
Thursday, September 30, 2010, 3:30 am EDT
Anne Marley and Robert Cozzolino, Pennsylvania Academy of the Fine ArtsPennsylvania Hospital Historic Collections
Wednesday, September 29, 2010, 3:42 am EDT
John Stewart, University of Oklahoma and CHF Allington FellowChemical Heritage Foundation, Brown Bag Lunch Talk
Wednesday, September 29, 2010, 3:14 am EDT
Thomas Broman, University of Wisconsin-MadisonProgram in History of Science, Princeton University
Tuesday, September 28, 2010, 3:00 am EDT
Geoff Bowker, University of PittsburghDepartment of History and Sociology of Science, University of Pennsylvania
Sunday, September 26, 2010, 10:04 pm EDT
University of Pennsylvania Museum of Archaeology and Anthropology
Tuesday, September 21, 2010, 3:20 am EDT
Elly Teman, Penn Center for Integration of Genetics & Healthcare TechnologyDepartment of History and Sociology of Science, University of Pennsylvania
Monday, September 20, 2010, 3:01 am EDT
Philadelphia Museum of Art, Center for American Art
Friday, September 17, 2010, 3:25 am EDT
Karen Hunger Parshall, University of VirginiaPhiladelphia Area Seminar on the History of Mathematics, Villanova University
Thursday, September 16, 2010, 3:15 am EDT
Historical Society of Pennsylvania, Bartram's Garden, and the Library Company of Philadelphia
- Carnegie Mellon University
- Columbia University
- Harvard University
- Johns Hopkins University
- Library of Congress
- National Library of Medicine
- University of Manchester
- University of Pittsburgh