The power of one

The world economy may seem vast and impersonal. But take a closer look.

By Jerry Useem, Fortune

1 of 7

The power of power

Kiamaina, Kenya

Without electricity, nightfall once meant total blackout - or at best the quivering flame of kerosene. With a newly designed solar lantern, Mercy Wajiku, 11, carries four more hours of daylight - letting her finish her schoolwork.

Photograph by J Carrier

Power 25

Fortune's subjective - yet really quite accurate - list of the most powerful businesspeople in the world. (more)

Portraits of power in 1940

Fortune commissioned artist Robert Sheeler to paint a portrait of American muscle as it stood in December 1940. (more)

3 powerful game changers

These industry leaders are changing the way business does business. (more)

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