Almost everything there is to know about modernism is contained in a single room slice of a curtain wall tower dropped into the Illinois countryside. The Farnsworth house was a project designed and built by Mies van der Rohe 60 years ago, undeserving of its patron's name, who wrongfully sued and which still seems to win prizes and be declared as innovative when architects consciously or unconsciously copy it today. Here are a dozen examples to demonstrate it.