Gregory Akindynos (Latinized as Gregorius Acindynus) (Greek: Γρηγόριος Ἀκίνδυνος) (ca.
[1][2][3] A native of Prilep, he moved from Pelagonia to Thessaloniki and studied under Thomas Magistros and Gregory Bryennios.
He became an admirer of Nikephoros Gregoras after he was shown an astronomical treatise of that scholar by his friend Balsamon in 1332, writing him a letter in which he calls him a "sea of wisdom".
From Thessaloniki, he intended to move on to Mount Athos, but for reasons unknown, he was refused.
He was involved in the theological dispute surrounding the doctrine of Uncreated Light between Gregory Palamas and Barlaam of Calabria in the 1340s.