Prentice Gray papers, 1929-1930.
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Academy of Natural Sciences of Philadelphia
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The oldest natural science research institution and museum in the Americas, the Academy of Natural Sciences of Philadelphia was founded in 1812 "for the encouragement and cultivation of the sciences, and the advancement of useful learning." Since the founding of the Academy of Natural Sciences of Philadelphia, there have been twenty-eight presidents and five acting presidents (please see additional note for a complete list of Academy presidents). From 1937 to 1995, there were four pre...
Gray, Prentice.
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