Some of the origins of design methods and design research lay in the emergence after the 2nd World War of operational research methods and management decision-making techniques, the development of creativity techniques in the 1950s, and the beginnings of computer programs for problem solving in the 1960s. A statement by Bruce Archer encapsulated what was going on: ‘The most fundamental challenge to conventional ideas on design has been the growing advocacy of systematic methods of problem solving, borrowed from computer techniques and management theory, for the assessment of design problems and the development of design solutions.’ Herbert A. Simon established the foundations for ‘a science of design’, which would be ‘a body of intellectually tough, analytic, partly formalizable, partly empirical, teachable doctrine about the design process.’