CiA were saddened to hear of the death of the German architect Oswald Mathias Ungers in Cologne aged 81. Ungers exploited a controlled use of geometric form, particularly the square. His work represented a severity which redeemed classical order from the dark romanticism of its totalitarian associations, linking it back to the modernity of a tradition which stretches back to Schinkel. His rationalist compositions were never less than authoritative and thankfully free of easy charm.
A surprisingly positive obituary may be found here: Guardian Obituary