Pieter Jansz Post: Architect of Baroque Harmony Pieter Jansz Post (1 May 1608 – buried 8 May 1669) stands as a pivotal figure in Dutch Golden Age art and architecture, celebrated for his contribution to the baroque style and his collaborative partnership with Jacob van Campen. Born in Haarlem, the son of a stained-glass painter and older brother to Frans Post, he possessed an artistic lineage that profoundly shaped his own creative tr…