Linda Sandvik is the co-founder of Code Club, an initiative that teaches children aged nine and up how to code.

BBC: Technology

And they have even turned up in a type of hard, specialised steel made by Sandvik, a Swedish engineering firm.

ECONOMIST: The 2011 Nobel prizes

Sweden's Sandvik (6.6, SDVKY) fell 70% in the bear market as the recession whacked sales of its metal-cutting, mining and construction tools as well as specialty alloys based on titanium and zirconium, used in thousands of applications like boiler tubes and flanges.

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