Edward Jenner, FRS, an eminent English physician and scientist, was born on May 17, 1749, in Berkeley, Gloucestershire, England, and is often hailed as the father of immunology. His pioneering work led to the development of the smallpox vaccine, the world's first vaccine. Jenner's most distinguished work, 'An Inquiry into the Causes and Effects of the Variolae Vaccinae' (1798), laid the foundation...