Lady Mary Wortley Montague (1689–1762)
Source: Reidel 2005, Photo courtesy of the National Library of Medicine.
Did you hear the good news? Smallpox is dead! The smallpox virus was murderous. It killed more people than war. In the 20th century alone, smallpox killed between 300 million (300,000,000 or 3*10^8) and half a billion (500,000,000 or 5*10^8) people. The first disease conquered by humans: How did we vanquish this angel of death?