| |  | John Bartram (May 23, 1699 O.S., Darby, Pennsylvania - September 22, 1777, Philadelphia) was an American botanist. Carolus Linnaeus said he was the... |  | Jonathan Williams (May 20, 1751 - May 16, 1815), American businessman, military figure, politician and writer, was born in Boston, Massachusetts, a... |  | Benjamin Smith Barton was an American botanist. Barton studied medicine at Philadelphia until 1786, when he transferred to the University of... |  | Robert Patterson (1743-1824) was an American educator and director of the mint. He was born near Hillsborough, County Down, Ireland, emigrated... |  | Caspar Wistar was an American physician and anatomist. He was born at Philadelphia, Pennsylvania, the son of Thomas Wistar and Mary Waln Wistar and... |  | Dr. Owen Jay Gingerich (born 1930) is currently Research Professor of Astronomy and of the History of Science at Harvard University and a senior... |  | David Edwin Pingree (January 2, 1933 - November 11, 2005), late University Professor and Professor of History of Mathematics and Classics at Brown... | | | James Alexander (c.1690-1756) was a lawyer and statesman in colonial New York. He served in the Colonial Assembly and as Attorney General of the... |  | George Ord (1781 - January 24, 1866) was an American ornithologist. Ord was born in Philadelphia, Pennsylvania. His father (also named George) was... |  | David Rittenhouse (April 8, 1732 - June 26, 1796) was a renowned American astronomer, inventor, mathematician, surveyor, scientific instrument... | |
