Venerable Andrei Rublev, the iconographer.
St. Andrei Rublev was a monk of the Holy Trinity Lavra and of the Andronikov Monastery in Moscow in the late fourteenth and early fifteenth centuries, the greatest of the Russian iconographers. His icon of the Holy Trinity is honored as the model of Orthodox iconography.
He reposed around 1430 and is commemorated on January 29.
Feast day
On the New Calendar, Andrei Rublev is commemorated on January 29. Churches on the Old (Julian) Calendar keep the feast on February 11 of the civil calendar.
Also commemorated on January 29

Demetrios of Chios
Martyr, Δημήτριος ο Χιοπολίτης
New Martyr Demetrios of Chios, martyred in Constantinople.
Seven Martyrs of Samosata
Martyr, Επτά Μάρτυρες εν Σαμοσάτοις
Holy Martyrs Romanos, James, Philotheos, Hyperechios, Abibos, Julian and Paregorios of Samosata.
Sarbelos and Bebaia
Martyr, Σάρβηλος και Βεβαία
Holy Martyrs Sarbelos and his sister Bebaia of Edessa.
Silvanos, Luke and Mokios
Martyr, Σιλουανός, Λουκάς και Μώκιος
Hieromartyr Silvanos, Bishop of Emesa, with Luke the deacon and Mokios the reader.