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Adam Gdacius or Gdacjusz or Gdak, also called Rey of Silesia (1615 – 1688) was a Polish-language writer and a Lutheranpastor at the Wilna church
He was born and died in the Silesian town of Kreuzburg (now Kluczbork), 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.
Published works
Kwestyja o pojedynkach
O pańskim i szlacheckim stanie albo rycerskim dyszkurs