Radar, his youngest brother, who appeared on the cover of two of U2’s early albums, Boy and War. - Bono

If I don't understand it, it must be art.

I had to create that fusion, to make a chemistry set of the crowd, by rubbishing the very idea they were a crowd. This was not just a nucleus of unstable atoms banging into each other; this was a gathering of sentient beings who for those few hours every night played the most important role in the drama, transporting the band and therefore themselves to some place neither had been before. Finding some moment that none of us had occupied before, or would ever again. Think about that.

We were inhabiting a space where it didn't feel like we had much company, a space critics might dismiss as a compromised middle, but I imagined as a radical center.