Possible Clues:

• One designing skyscrapers
• Designer is part of circle to beat English court
• Building designer from the Arctic
• Crescent success for engineer, etc., who drew up the plans
• Building designer knocked about the Arctic
• House designer
• Wren, for instance, seen in the Arctic, unusually
• Designer of the thing seen in sly form of therapy
• Maker of the Arctic shift
• Pritzker Prize winner