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Crawford H. Greenewalt papers

 Collection — Multiple Containers
Identifier: ANSP-Coll-0997
Overview Crawford Hallock Greenewalt (1902-1993) was a chemical engineer and the President of the DuPont Company from 1948 to 1962. He had a passion for the natural sciences, and combined his love of ornithology with photography. He was especially known for his high speed photographs of hummingbirds. His ornithological interests included bird songs, the radiance of hummingbird feathers and the evolution of shapes and sizes of birds in relation to their flight abilities. The Crawford H. Greenewalt...
Dates: 1951 - 1993

Horace G. Richards Papers

 Collection
Identifier: ANSP-Coll-0976
Overview Horace G. Richards (1906-1984) was a geologist at the Academy of Natural Sciences, Philadelphia and an authority on the geologic formations of the Atlantic coastal plain. His research specialty focused on geology and paleontology of the Quaternary Period (approximately the past 1.8 million years), but his research interests also included Cenozoic mollusca, and marine Pleistocene geology and paleontology of the Atlantic coastal plain. Additionally, he studied climate change and coastal...
Dates: 1928-1984

Library records

 Collection
Identifier: UR-05-002
Overview The Library records contains documentation of the Drexel University Library from its creation in 1891 to 2003. Drexel University Library has been housed in three different buildings; the Main Building (1891-1958), the Korman Center (1959-1982) and W.W. Hagerty Library (1983-2010). The library was also responsible for running the library school until 1962, with the exception of the years 1914 to 1922 when the library school was suspended. The documents in this collection constitute a record...
Dates: 1891-2013

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Academy of Natural Sciences of Drexel University 2
Drexel University Archives 1
 
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Correspondence 2
Financial records 2
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Academy of Natural Sciences of Philadelphia 2
American Association of Petroleum Geologists 1
American Geological Institute 1
Association of College and Research Libraries 1
Atlantic Coastal Plain Geological Association 1