found: Author's Problem-solving ... 1974.
found: BL letter from author, pre-20 Oct. 1988(Tudor Rickards, born 1941)
found: Manchester Business School website, 12 Sept. 2013:research staff profiles (Prof. Tudor Rickards, Professor of Creativity & Organizational Change; has published widely on innovation and creativity, working closely with various international organisations in the development of innovative skills)
found: Wikipedia, 12 Sept. 2013(Tudor Rickards PhD, born 1941 in Pontypridd, Wales, is an author on creativity and leadership in business and management; he is based at Manchester Business School in the UK, where he is Professor of Creativity and Organizational Change)