Aachen Altar Aachen Altar The Aachen Altar (de: "Aachener Altar") or Passion Altar ("Passionsaltar") is a late gothic passion triptych in the Aachen Cathedral Treasury, made by the so-called Master of the Aachen Altar around 1515/20 in Cologne, Germany. The open, three winged polyptych altar image shows scenes from the Passion of Christ to his Ascension in continuous sequence from left to right. At the assumed time of composition, this type of depiction was already well-established. On the left wing of the altar, Jesus is crowned with the Crown of thorns and confronts Pontius Pilate. The central panel depicts the Stations of
The purpose of a system is what it does be balanced by a more straightforwardly descriptive view. The term is used in many fields including biology and management. The purpose of a system is what it does The purpose of a system is what it does (POSIWID) is a systems thinking heuristic coined by Stafford Beer. Stafford Beer coined the term POSIWID and used it many times in public addresses. In his address to the University of Valladolid, Spain, in October 2001, he said "According to the cybernetician, the purpose of a system is what it does. This is a basic dictum. It stands for bald fact, which makes