Scope and Contents

A partial diary of this trip, 1891-92 is preserved, some letters and other papers and documents regarding his official duties at the Academy. Writings and personalia complete the collection.

List of signers: Binder, Jacob, n. do; Bryant, Henry G. 1893; Hart, Gavin W.; Heilprin, Angelo (9) 1892-94; Morris, Charles, n.d.; Nolan, E. J. (2) 1892.

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...

Overview Eldridge Reeves Fenimore Johnson (1899-1986) was a pioneer in the development of underwater photography and was also an explorer, yachtsman and researcher. His interests in underwater photography developed during World War II when he enlisted in Naval Research and worked with underwater demolition and photography. He created his own company, Fenjohn Underwater Equipment Company and patented equipment inventions. The E.R. Fenimore Johnson photographs, 1929-1970, is a rich collection of...

Overview The Orphan Photograph collection houses unrelated photographic prints, negatives, slides and other visual media created for or by the Academy of Natural Sciences of Philadelphia, dating from circa 1926 to 1985. The collection has an unknown custodial history; it appears to have been gathered together over time due to the random nature of the images and lack or loss of any connection between individual images and other larger collections. Researchers will find images of a variety...