Showing Collections: 1 - 2 of 2
Delaware Valley Ornithological Club records
Collection
Identifier: ANSP-Coll-0074
Scope and Contents
Includes constitution, minutes, lists and photographs of members, treasurer's reports, programs, scrapbook of activities, 1890-99, and general historical papers and correspondence.Signers of letters and documents: Baily, William L. (14) 1890-1900; Baker, Charles H. 1900; Batchelder, C. F. 1892; Bendix, Charles E. 1892; Bicknell, Eugene P. 1895; Bishop, Louis B. 1898; Bissegger, John B. 1896; Buller, W. H. (2) 1895-98; Bush, Walter D. 1898; Chapman, Frank M. 1894; Cope, Francis...
Dates:
1884 - 2003
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
Filter Results
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- Subject
- Audiovisual materials 1
- Awards 1
- Birds -- Flight 1
- Birds -- Songs and music 1
- Black-and-white photographs 1
- Black-and-white slides 1
- Clippings 1
- Correspondence 1
- Field notes 1
- Hummingbirds 1
- Manuscripts 1
- Minutes 1
- Negatives (photographic) 1
- Ornithology -- Methodology 1
- Ornithology -- Research 1
- Photography 1
- Photography, High-speed 1
- Research notes 1
- Scrapbooks 1
- Sketches 1
- Slides (photographs) 1
- Stereoscopic photographs 1 ∧ less
- Names
- Academy of Natural Sciences of Philadelphia 1
- Brown, Francis Herbert 1
- Crispin, William B. (1881-1913) 1
- Delaware Valley Ornithological Club 1
- E.I. du Pont de Nemours & Company 1
- Gillin, James Rhoads (1886-1952) 1
- Greenewalt, Crawford H., 1902-1993 1
- Hoopes, Josiah 1
- Jamison, Harry K. 1
- Jay, William (1884-1958) 1
- Massachusetts Institute of Technology 1
- McMullen, Turner E. 1
- Mickel, Anna A 1
- Miller, Waldron DeWitt (1874-1929) 1
- Roland, Conrad K. 1
- Springs, William Lee, Jr. 1
- Stone, Witmer, 1866-1939 1
- Street, J. Fletcher (1880-1944) 1
- Trotter, William Henry (1869-1933) 1
- Visual Resources for Ornithology (Organization) 1 ∧ less
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