But much remains to be done, and the big thinkers seem to have turned their attention elsewhere.

He's a little thinker in a world of big thinkers.

It doesn't take any big thinker to know there's a market for garbage.

Here are more than seventy big thinkers, each sharing an idea for you to think about as we head into the new year.

She has urged politicians to be "big thinkers" on the issue of universal health care.

Two decades ago the institute was the place for big thinkers to hobnob.

To big thinkers like Mayasich, viable is not good enough.

We run some thought-provoking pieces with big thinkers over at Guardian science.

Why they matter has worried big thinkers since Plato.

The perception that New York is once again a safe place to live has also helped lure some of the big thinkers.