The idea for a new kind of architecture school began when, at the turn of the millenium, we were invited by David Greene and Samantha Hardingham to contribute to the prospectus for their speculative idea for an Invisible University...The School of Architecture is a big, open building defined by a lightweight, transparent and permeable enclosing device - the shell. The nature of the shell, its configuration and material expression, is such that it will foster a close coupling between the school and the greater world outside.