Maths prof's sums ground plane

An Italian maths professor was taken from an American Airlines plane about to take off after a fellow passenger feared his "mysterious" scribbling on a notepad was evidence that he was a terrorist.In fact, Guido Menzio was working on an equation connected with a presentation on price-setting.But the sight of a slightly swarthy curly-haired individual scrawling odd symbols on a notepad was enough to alarm the woman, who was sitting next to him as a flight from Philadelphia to Syracuse prepared fo...