Overview Charles Eastwick Smith (1820-1900) was an engineer and inventor involved in railroad, ironworks and steel. His interest in botany led him to membership at the Academy of Natural Sciences where he held several positions from 1851 until his death. Over the years Smith compiled an herbarium of specimens found within 15 miles of Philadelphia, which he bequeathed to the Academy. The collection contains letters from botanists, a number of booksellers, and other correspondents. In addition to the...

Scope and Contents Philadelphia diatomist, elected to the Academy of Natural Sciences, February, 1892, and active in the Leidy Microscopical Society. Scrapbook contains orders and letters pertaining to his book: The Diatomaceae of Philadelphia and vicinity, as well as letters of condolence addressed to Mrs. Boyer. Many items (47) were laid in and are filed separately.Gift of Mrs. Boyer in 1928, preserved by the Leidy Microscopical Society, later stored in the Limnology Department and archived in...

Scope and Contents

Philadelphia botanist, biographer, historian and professor, Harshberger's correspondence is chiefly with 86 other botanists. His book "Botanists of Philadelphia and Their Works," protrays a history of American botany along with the biographies.

Gift of Zoo-Botany Department, University of Pennsylvania through Dr. John Fogg and Mrs. Ida Langman, Dec. 21, 1959