From Science in the Ancient World: An Encyclopedia
(56–117 CE)Cornelius Tacitus was a historian, biographer, and ethnographer. He was a senator during the Flavian and Antonine dynasties of the Roman Principate. His works included the Annals, Histories, Agricola, and Germania. Tacitus was one of the most sophisticated Roman authors, a polymath of note, who, as an ethnologist, penned an enduring portrait of the peoples of Germany.