The father of lateral thinking pulls posthumous tricks out of his hat

The newly published will of philosopher, self-help maverick and one-man global industry' Dr Edward de Bono reveals surprises about his children - and his wealth

Edward de Bono, the late philosopher, author and bestselling mental strategist, was famous for solving problems in an unconventional manner. Indeed, he actually invented the term lateral thinking in 1967.

But the publication of De Bono's final work, his last will and testament, has posed several unexpected questions that might test even the most creative mind.