In 1569 Paweł moved to Raków, in the year the settlement was founded by castellan Jan Sienieński, and Paweł became a leader of the radical wing.
Johannes Crellius (Polish: Jan Crell, English John Crell) (26 July Hellmitzheim 1590 – Raków 1633) was a Polish and German theologian.
Johannes Völkel (Latin: Volkelius) (Grimma, c.1565-70? - Raków 1616) was a German Socinian writer.
He studied in Germany, from where he returned to teach in Raków, Kielce County at the Racovian Academy, and then in Lusławice, Lesser Poland Voivodeship.
Fausto Sozzini furthered his influence through his Racovian Catechism, published posthumously, which set out his uncle Lelio's views on Christology and replaced earlier catechisms of the Ecclesia Minor. His influence continued after his death through the writings of his students published in Polish and Latin from the press of the Racovian Academy at Raków, Kielce County.
His Socinian hometown Raków, Kielce County was founded about a hundred years earlier and had about 15,000 inhabitants.
He studied at the Racovian Academy in Raków, Kielce County, then in Leiden, and travelled across Western and Southern Europe, and then back at Leiden.