COSMAS, of Prague (1o45--Ii25), dean of the cathedral and the earliest Bohemian historian. His Chronicae Bohemorum libri which contains the history and traditions of Bohemia up to nearly the time of his death, has earned him the title of the Herodotus of his country.
See A. Potthast, Bibliotheca Hist. Med. Aevi; J. Loserth, Studien zu Cosmas von Prag (Vienna, 188o, etc.).