Having converted to Lutheranism, he later became a Calvinist minister at Gdańsk. The famous poet Martin Opitz, a friend, lodged at pastor Nigrinus' place, while visiting Gdańsk. Both Opitz and Nigrinus corresponded with Robert Fludd. Fludd was connected to the Rosicrucian movement and the Gdańsk edition of the Rosicrucian manifesto Fama Fraternitatis was published by the printer Andreas Hünefeld (Huenefeldt or Hunsfeldus) (1609-1652), a friend of Nigrinus. Nigrinus was also a friend and disciple of the Czech philosopher John Amos Comenius, who has often been linked to the Rosicrucian movement.
Having converted to Lutheranism, he later became a Calvinist minister at Gdańsk. The famous poet Martin Opitz, a ,friend, lodged at pastor Nigrinus' place, while visiting Gdańsk. Both Opitz and Nigrinus corresponded with Robert Fludd. Fludd was connected to the Rosicrucian movement and the Gdańsk edition of the Rosicrucian manifesto Fama Fraternitatis was published by the printer Andreas Hünefeld (Huenefeldt or Hunsfeldus) (1609-1652) a friend of Nigrinus. Nigrinus was also a friend and disciple of the Czech philosopher John Amos Comenius, who has often been linked to the Rosicrucian movement.