The groundwork for written Lithuanian was laid in 16th and 17th centuries by Lithuanian noblemen and scholars, who promoted Lithuanian language, created dictionaries and published books – Mikalojus Daukša, Stanislovas Rapolionis, Abraomas Kulvietis, Jonas Bretkūnas, Martynas Mažvydas, Konstantinas Sirvydas, Simonas Vaišnoras-Varniškis.