Pieter Jansz Post (baptised in Haarlem, May 1, 1608 – buried May 8, 1669 in The Hague) was a Dutch Golden Age architect, painter and printmaker.
Post was the son of a stained-glass painter and the older brother of painter Frans Post.[1] He is credited with the creation of the Dutch baroque style of architecture, along with his longtime collaborator Jacob van Campen. Together they designed the Mauritshuis in the Hague.[2]
According to Houbraken he was a famous architect who introduced his brother Frans to Maurice of Nassau, Prince of Orange while he was working on plans for the Mauritshuis.[3]
According to the RKD he became a member of the Haarlem Guild of St. Luke in 1623, and became painter and architect for Stadhouder Frederik Hendrik.[4] He was the overseer from 1640 for the new additions to Paleis Noordeinde in The Hague.[4] From 1645 he was the architect for Frederik Hendrik for Huis ten Bosch, where he worked together with Jacob van Campen.[4] His son Johan Post also became a painter,[4] and his daughter married the anatomist and collector Frederik Ruysch. His granddaughter Rachel Ruysch became a famous flower painter.