Numismatist work on coins (and related objects) within their particular area of interest (eg a particular part of the world, a particular period of history, or a particular culture), they are often known in those fields, as well as in numismatics. Biographical resources relating specifically to numismatists include the following: See also Medal of the Royal Numismatic Society and International Numismatic Council. Numismatist A numismatist is a specialist in numismatics ("of coins"; from Late Latin "numismatis", genitive of "numisma"). Numismatists include collectors, specialist dealers and scholars who use coins in object-based research. Although the term numismatics was first coined in English
The purpose of a system is what it does 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 a better starting point in seeking understanding than the familiar attributions of good intention, prejudices about expectations, moral judgment,