Ludlow Griscom
![Griscom (right) with [[FDR]], May 1942](https://upload.wikimedia.org/wikipedia/commons/3/35/FDR-Birding-May-10-1942.jpg)
Ludlow Griscom (June 17, 1890 – May 28, 1959) was an American ornithologist known as a pioneer in field ornithology. His emphasis on the identification of free-flying birds by field marks became widely adopted by professionals and amateurs. Many called him "Dean of the Birdwatchers."
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9by Audubon, John James, 1785-1851Other Authors: “...Griscom, Ludlow, 1890-1959...”
Published 1953
Book -
10by Audubon, John James, 1785-1851Other Authors: “...Griscom, Ludlow, 1890-1959...”
Published 1950
Book