In October 1765, pioneer American naturalists John Bartram (1699–1777) and his son William Bartram (1729–1833) discovered “severall very curious shrubs” […]
Archive for ‘History of Science’
Smooth-billed Ani — in Philadelphia!
Like most birders, Philadelphians get excited about a rare bird. With over 250 years of bird records from Philadelphia, the […]
1831: The Academy gets tax-exempt status!
The first 20 years of the Academy of Natural Sciences of Philadelphia were an uncertain time, and had it not […]
Audubon and the Academy of Natural Sciences: It’s complicated.
In the halls of the Academy of Natural Sciences of Drexel University you will occasionally hear it mentioned, in a […]
Witmer Stone was born 150 years ago today.
If you watch birds in southeast Pennsylvania or New Jersey, chances are you have heard of Witmer Stone (1866–1939), naturalist, historian of […]
Genetic sampling of Townsend’s 1835 type specimens of Catharus
In 1834, pioneer naturalists Thomas Nuttall (1786–1859) and John Kirk Townsend (1809–51) ventured westward with the second expedition of Nathaniel […]
Katharine (Clark) Harding Day (1891–?), a forgotten female pioneer of American Ornithology
For several years now, I have been compiling information about a pioneer American ornithologist named Katharine Harding Day (1891–?), neé […]