Charles Greifenstein


Charles Greifenstein has an MA in literature from the University of Arizona and an MS in information science from Drexel University. Prior to his arrival at the American Philosophical Society in 2003, for nine years he worked at the College of Physicians of Philadelphia, last serving as Associate Librarian and Curator of Archives & Manuscripts. Since 2004 he has been Manuscripts Librarian at the APS. It is his privilege to have in his care many of the surviving documents of the Lewis and Clark expedition, including the original journals.

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