Alcuin a view commonly held by the Church at the time. Such sins, argued Alcuin, were therefore more serious than lustful acts with women, for which the earth was cleansed and revivified by the water of the Flood, and merit to be "withered by flames unto eternal barrenness." In several churches of the Anglican Communion, Alcuin is celebrated on 20 May, the first available day after the day of his death (as Dunstan is celebrated on 19 May). Alcuin College, one of the colleges of the University of York, England, is named after him. For a complete census of Alcuin's works,
Alcuin is preponderant. Alcuin also developed manuals used in his educational work – a grammar and works on rhetoric and dialectics. These are written in the form of dialogues, and in two of them the interlocutors are Charlemagne and Alcuin. He wrote several theological treatises: a "De fide Trinitatis", and commentaries on the Bible. Alcuin is credited with inventing the first known question mark, though it didn't resemble the modern symbol. Alcuin transmitted to the Franks the knowledge of Latin culture which had existed in Anglo-Saxon England. A number of his works still exist. Besides some graceful epistles in the style