Gregory of Sinai

Gregory of Sinai
Bornc. 1260s
Smyrna
(modern-day İzmir, Turkey)
Died1346
Paroria, Bulgaria
Known forHesychasm on Mount Athos

Gregory of Sinai, or in Serbian and Bulgarian Grigorije Sinaita (c. 1260s – 27 November 1346), was a Greek Christian monk and writer from Smyrna. He was instrumental in the emergence of hesychasm on Mount Athos in the early 14th century.[1]