Adam Gdacius
Adam Gdacius or Gdacjusz or Gdak, also called Rey of Silesia was a Polish-language writer and a Lutheran pastor at the Wilna church
He was born and died in the Silesian town of Kreuzburg, where from 1644 was a deacon and, later, a parish priest. He wrote sermons and moralizing literature in Polish and Latin, mainly in the years 1674–1687.