The Carter Center has the only existing international taskforce on disease eradication. Which means a total elimination of a disease on the face of the Earth. In the history of the world, there's only been one disease eradicated: smallpox. The second disease, I think, is gonna be guinea worm.
Only old Benjamin professed to remember every detail of his long life and to know that things never had been, nor ever could be much better or much worse--hunger, hardship, and disappointment being, so he said, the unalterable law of life.