I read somewhere that Michael Hopkins was influenced by Jim Richards’s The Functional Traditional in Early Industrial Buildings. This seems plausible: a combination of intelligent and non-academic problem-solving with the use of good quality materials both new and old and a strong infusion of East Anglia, where they have built a lot. I know that in 1990, Michael and Patty helped donate Eric De Maré’s beautiful photographs to the RIBA, including those he had done for Richards’s book.