Venerable Sergius of Radonezh, was a spiritual leader and monastic reformer of medieval Russia. He is a founder of Sergiev-Troitsky Monastery and together with Venerable Seraphim of Sarov, he is one of the Russian Orthodox Church's most highly venerated saints. St. Serius is depicted full-figured with buildings of the monastery he founded with an icon of the miracleworking Madonna shown to his from Heavens.