I went to Ron Arad’s studio in Chalk Farm this morning to see the huge range of work that he is doing, from a new range of spectacles to a forthcoming installation in St. Pancras Station, a project that he is planning n the RA’s courtyard for this year’s Summer Exhibition, Fiat motor cars flattened in a workshop in Groningen and exhibited in Turin, the interiors of the Watergate Hotel in Washington and a Cancer Hospital near Nazareth in Israel.   All the projects are marked by his fluid imagination and interest in material invention which date back to Alvin Boyarsky’s era at the Architectural Association where he was taught by Peter Cook in the year below Zaha Hadid:-