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