Orlov V. A. Enlightener from the Vseslav clan: Efrosinia of Polotsk. The popular form tells about the enlightener, one of the most educated women of her time in Europe - Efrosinia of Polotsk (about 1110-1173). Having tonsured a monastery in her youth, Princess Pradslava-Efrosinia did not hide behind its walls - she opened schools and scriptoriums, collected and patronized talents, actively participated in the socio-political and cultural life of the Principality of Polotsk. The activities of the enlightener are presented against the background of her dramatic and controversial era. For a wide range of readers.