Craig Johnston

And I think they loved me because I loved being part of their team, you know, and I quite often say to kids, that I was the worst player in the world's best football team - and that was good enough for me.

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.