Douglas A. Rossman
Template:Infobox scientist Douglas Athon "Dag" Rossman (July 4, 1936 – July 23, 2015)<ref name=Boundy>Template:Cite journal</ref> was a U.S. herpetologist specializing in garter snakes. He studied at the University of Florida, where he was awarded a Ph.D. in 1961.<ref name="phd">Photo Template:Webarchive from the University of Florida. URL last accessed 2010-01-21.</ref>
He was a professor of zoology at the Louisiana State University in Baton Rouge, Louisiana.
He co-authored The Amphibians and Reptiles of Louisiana (Template:ISBN), and also The Garter Snakes: Evolution and Ecology (Template:ISBN).
His wife, Nita Jane Rossman<ref name="herpetologica">Rossman DA (1958). "A New Race of Desmognathus fuscus from the South-Central United States". Herpetologica 14 (3): 158-160. URL last accessed 2010-01-21.</ref> (born 1936), also has an interest in herpetology and even had a subspecies named after her: Thamnophis saurita nitae, a subspecies of the eastern ribbon snake. She had collected the holotype for this subspecies on a field trip with her husband for his dissertation research, and he named it in her honor.<ref name="beltz">Beltz, Ellin (2006). Biographies of People Honored in the Names of the Reptiles and Amphibians of North America. URL last accessed 2010-01-21.</ref>
Rossman also wrote The Nine Worlds: A Dictionary of Norse Mythology (1983), Where Legends Live: A Pictorial Guide to Cherokee Mythic Places (1988), and several other works related to Norse mythology.
Douglas Rossman is commemorated in the scientific name of a species of Mexican garter snake, Thamnophis rossmani.<ref>Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. Template:ISBN. ("Rossman", p. 227).</ref>