hang around. (International pupils at an outdoor physical education class at the English-Scandinavian Summer School in Milner Court, Sturry, Kent. August Photo by William Vanderson/Fox Photos/Getty Images)
In Edward Jenner noticed that milkmaids who had contracted cowpox, were immune from catching smallpox. He used this information to develop a vaccine for smallpox (now virtually extinct). Milkmaid, Jersey cow: another old postcard from Jersey, England.