Sir Terry, like Sir Peter, comes from modest origins in Merseyside, but whereas the quiet, lean Sir Terry still collects visitors personally from the lobby of Tesco's shabby headquarters in Cheshunt, the charismatic, rotund Sir Peter directs Sainsbury's fortunes from a glass-and-steel office block in central London and seems most at home at the Royal Opera House, where he is a director.

ECONOMIST: Face value

The artist noted the significance of showing in New York "Precious Stonewall" (2010), a block tower of blown-glass bricks draped in beads hand-cut in India.

WSJ: Jean-Michel Othoniel's Retrospective My Way in Brooklyn

Maris couldn't walk a city block without some new passer-by asking if that was Project Glass, how it worked and, of course, whether they could try it on.

ENGADGET: Bill Maris, the Man Behind Google Ventures, on the Present Challenges and Future Potential of Glass