Charles Atwood Kofoid

Charles Atwood Kofoid was an American zoologist known for his collection and classification of many new species of marine protozoans which established marine biology on a systematic basis.
Kofoid also wrote a volume on the biological stations of Europe.
File:Kofoid ex-libris.jpeg|left|thumb|239x239px|Kofoid's ex-libris, as seen in the Biodiversity Heritage Library
In 1920, Kofoid and Olive Swezy published Pavillardia in Univ. Calif. Publ. Zool. pages 323-324. It was named in honour of Jules Pavillard.
In 1921, Kofoid and Olive Swezy, wrote a book about unarmored dinoflagellates in La Jolla, California, in which they described a new genus called Torodinium. They also published Gyrodinium, which is a genus of dinoflagellates belonging to the order Gymnodiniales in 'Memoirs of the University of California'. vol.5.
In 1929, botanist Pavillard first described Kofoidinium, which is a genus of dinoflagellates belonging to the family Kofoidiniaceae.
Kofoid was elected to the American Academy of Arts and Sciences in 1913, the United States National Academy of Sciences in 1922, and the American Philosophical Society in 1924.