George Ord

Ord (1815) published the first scientific descriptions of Pronghorn antelope (''Antilocapra americana''), Grizzly bear (''Ursus arctos horribilis'')'','' Meadow vole (''Microtus pennsylvanicus''), Bushy-tailed woodrat (''Neotoma cinerea''), Eastern gray squirrel (''Sciurus carolinensis pennsylvanicus''), Columbian ground squirrel (''Urocitellus columbianus''), black-tailed prairie dog (''Cynomys ludovicianus''), Bonaparte's gull (''Chroicocephalus philadelphia''), ring-billed gull (''Larus delawarensis''), Tundra swan (''Cygnus columbianus''), and Columbian sharp-tailed grouse (''Tympanuchus phasianellus columbianus'').
Ord is widely known for challenging the works of John James Audubon. Provided by Wikipedia