Marcin Kober: The Pioneer of Polish Royal Portraiture Marcin Kober (also chober, cober, coeber, khober, koeber, koebner), born around 1550 in Wroclaw, Poland, stands as a pivotal figure in the history of Polish art and royal iconography. He wasn’t merely a painter; he was arguably the first artist actively engaged in documenting the reigns of central European monarchs – Stephen Báthory, Rudolf II, Holy Roman Emperor, Queen Anne Jagiel…