David Bowie

Questioning my spiritual life has always been germane to what I was writing. Always. It's because I'm not quite an atheist and it worries me. There's that little bit that holds on: 'Well, I'm almost an atheist. Give me a couple of months.'

In 1967, the world health community launched a global effort to eradicate smallpox. It took a coordinated, worldwide effort, required the commitment of every government, and cost $130 million dollars. By 1977, smallpox had disappeared.