Carlo Riva: The Engineer Who Created an Icon Ten years ago, my wife and I were cruising along the western shore of Lake Como, not far from the Villa d’Este, looking for George Clooney’s waterfront estate. She was hoping to see Clooney; I wanted to see his Riva. As it happened, we both struck out. But as the day wore on I was able to satisfy my Riva quota; there are more than a few Rivas running around on Lake Como. Actually, they’ve been built nearby in the little town of Sarnico, on Lake Iseo, since 1842. The great-grandson of…