Geoff Mulgan

For most of human history, the main goal of states has been to conquer land and to achieve glory for their rulers, usually at others' expense. Then in recent decades it was all about GDP. It's only in very recent history that rulers have been willing to commit themselves to helping their citizens live happier lives.

From 1961 to 1964, I was fortunate enough to work at a think tank in the Kenwood neighborhood of Chicago. As a writer and editor, I reported in a publication about the thinkers. Our offices were in a former mansion; I worked in what had been the ballroom. As I sat typing my copy, I imagined the dancers waltzing.