Colonnade Row Westchester marble and linked with a colonnade of Corinthian columns providing the homes with their current name. The marble for the buildings was found at Sing Sing, where the convicts worked to cut it for use in construction. The precise year of the buildings' construction, as well as the architect responsible are subject to some debate. The architects generally credited with Colonnade Row's design is Alexander Jackson Davis, Ithiel Town, and James Dakin, who were believed to have designed the homes for the Astor and Vanderbilt families. Town and Dakin are believed to have begun work on the project, which
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