Einhard (also
Eginhard or
Einhart; c. 775 – March 14, 840) was a
Frankish scholar and courtier. Einhard was a dedicated servant of
Charlemagne and his son
Louis the Pious; his main work is a biography of Charlemagne, the
Vita Karoli Magni, "one of the most precious literary bequests of the early Middle Ages."