Mr. T

When I was nine years old, living on the south side of Chicago, my father was a minister and my mother used to scrub floors. I had seven brothers and four sisters. I told my mama, 'One of these days I'm going to be big and strong and buy you a beautiful house.' That's all I've ever wanted to do with my life, is to take care of my mother.

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.