Andrei Rublev was a Russian artist considered to be one of the greatest medieval Russian painters of Orthodox Christian icons and frescoes. He is revered as a saint in the Eastern Orthodox Church, and his feast day is 29 January. c. 1360 – October 26, 1428; died at about 68. Alive at the same time as Joan of Arc, Johannes Gutenberg, Geoffrey Chaucer, Ibn Battuta, and Jan Hus. Wiki link