Arethas of Caesarea, was Archbishop of Caesarea in Cappadocia (modern Kayseri, Turkey) early in the 10th century, the codices produced by him, containing his commentaries are credited with preserving many ancient texts, including those of which Marcus Aurelius texts?
Arethas of Caesarea:  The codices produced by him, containing his commentaries are credited with preserving many ancient texts, including those of Plato and Marcus Aurelius' "Meditations". Marcus Aurelius: Marcus Aurelius ( ; Latin: "Marcus Aurelius Antoninus Augustus" ; 26 April 121 – 17 March 180 AD) was Roman emperor from , ruling jointly with Lucius Verus until Verus' death in 169 and jointly with his son, Commodus, from 177.
Meditations