Sebastian Miczynski was a 16th/17th century Polish academic. Professor of philosophy at Kraków Jagellonian University.

In 1618 Sebastian Miczynski he published antisemitic pamphlet Zwierciadlo Korony Polskej (The Mirror of the Polish Crown), which was one of the causes of anti-Jewish riots in Kraków

Kraków

Kraków also Krakow, or Cracow , is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life...

. In order to prevent further disorders King Sigismund III Vasa

Sigismund III Vasa

Sigismund III Vasa was King of Poland and Grand Duke of Lithuania, a monarch of the united Polish–Lithuanian Commonwealth from 1587 to 1632, and King of Sweden from 1592 until he was deposed in 1599...

 forbade the dissemination of this pamphlet, as did his son, Władysław IV Vasa

Władysław IV Vasa

Władysław IV Vasa was a Polish and Swedish prince from the House of Vasa. He reigned as King of the Polish–Lithuanian Commonwealth from 8 November 1632 to his death in 1648....

 (during Election sejm of 1632

Election Sejm of 1632

The Election Sejm of 1632 was the Polish-Lithuanian Commonwealth's election sejm that elevated Władysław IV Waza to the Polish throne...

) - however successive editions of Zwierciadlo appeared, contributing to the birth of antisemitic literature in Poland.