Answer:
he was a greek philosopher
Step-by-step explanation:
Pseudo-Dionysius was a member of the judicial council in Athens, who wrote a series of ten letters to various persons concerning theological thought and four papers ( expound on Divine Names, Mystical Theology, Celestial Hierarchy, and Ecclesiastical Hierarchy) during the late fifth century
He is famous about his idea that radiant light means divinity reflected in Gothic art which stated that the architecture had a sense of transparency