Anastasius Sinaita - Wikipedia
Anastasius Sinaita (died after 700), also called Anastasius of Sinai or Anastasius the Sinaite, was a Greek writer, priest and abbot of ... St. Anastasius in his Monastery.
Saint
Anastasius Sinaita, (flourished 7th century; feast day April 21),
theologian and abbot of the Monastery of St. Catherine, on Mt. Sinai,
whose writings ...