For 10 points, identify this author of the Vita Karoli Magni, the best-known biographer of Charlemagne.
This man's enthusiasm over the cult of Marcellinus and Peter led him to sent a notary named Ratleic to rob their bones from catacombs in Rome so he could put them in a monastery at Mulinheim. This man's repeated description of himself as a sinner was probably inspired by his devotion to Augustine. 12th-century romances depicted this man's wife Emma as the daughter of the ruler who employed him as master of public works. The preface to this notoriously short man's most famous work was written by Walafrid Strabo. Though (*) Widukind of Corvey ignored this man's idea of kingship, he used this man's account of the conversion of the Saxons as the basis of his own. This man used Suetonius' Lives of the Caesars and the rhetoric of Cicero, as taught to him by Alcuin of York, as the basis for a book about a king he called his nutritor, or "foster father." For 10 points, identify this author of the Vita Karoli Magni, the best-known biographer of Charlemagne.
This man's enthusiasm over the cult of Marcellinus and Peter led him to sent a notary named Ratleic to rob their bones from catacombs in Rome so he could put them in a monastery at Mulinheim.
Einhard