Definition
Edward Jenner (1749-1823) was an English physician and scientist renowned for pioneering the concept of vaccination, specifically for smallpox. His work marked a turning point in the history of medicine, leading to the global eradication of this deadly disease. Jenner's method involved inoculating individuals with cowpox, a milder disease, to provide immunity against smallpox. Think of him as a true hero of public health. His contributions saved millions of lives.