Before Steve Jobs, there was Seymour Cray – father of the supercomputer and regarded as something close to a God in the circles he moved in. Jobs’ Apple Computer is reputed to have bought one of Seymour’s massive machines back in the day: a Cray, to design the brand-new Macintosh personal computer. This would have been a significant moment for a man of Jobs' character, not prone to flattering the inventions or ideas of others. In return, Cray is said to have quipped that he'd bought a Mac to design the next Cray. Cray – who would have been 90...