Tony Buzan is the world's leading author, lecturer and advisor to governments, business and the professions on the brain, learning and thinking skills. He is the originator of Mind Mapping[registered], the thinking tool popularly called the Swiss army knife of the brain now used by over 250 million people world-wide. The BBC published Buzan's first book Use Your Head 25 years ago, catapulting him to the position of the BBC's number one selling international author, and simultaneously launching Buzan's Mind Maps, the major thinking tool of the 20th & 21st centuries.