Brian Clegg was a senior manager at British Airways before setting up the business creativity training company Creativity Unleashed Limited (www.cul.co.uk). He now divides his time between his work with large organisations, where his clients have included Sony And The BBC and writing books. Previous books Brian has written include Imagination Engineering andCapturing Customers' Hearts for FT Prentice Hall and A Brief History of Infinity and Before the Big Bang. Brian has also written regular columns, features and reviews for numerous magazines and contributed to radio and TV programmes.