Serenus Sammonicus

Quintus Serenus Sammonicus (died 212) was a roman savant and tutor to Geta and Caracalla who became fatally involved in politics; he was also author of a didactic medical poem, Liber Medicinalis (also known as De medicina praecepta saluberrima), probably incomplete in the extant form, as well as many lost works. He was "a typical man of letters in an Age of Archaism and a worthy successor to Fronto and Aulus Gellius, one whose social rank and position is intimately bound up with the prevailing passion for grammar and a mastery of ancient lore". According to Macrobius, who plundered his work for his Saturnalia, he was "the learned man of his age".Servius and Arnobius both employed his erudition to their own ends.He possessed a library of 60,000 volumes.

His most quoted work was Res reconditae, in at least five books, of which fragments only are preserved in quotations. The surviving work, De medicina praecepta, in 1115 hexameters, contains a number of popular remedies, borrowed from Pliny and Dioscorides, and various magic formulae, amongst others the famous Abracadabra, as a cure for fever and . It concludes with a description of the famous antidote of Mithradates VI of Pontus.

It was much used in the Middle Ages, and is of value for the ancient history of popular medicine. The syntax and metre are remarkably correct. According to the unreliable Historia Augusta he was a famous physician and polymath, who was put to death with other friends of Geta in December 212, at a banquet to which he had been invited by Caracalla shortly after the assassination of his brother.

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