Edward Jenner humans a cowpox vaccine against smallpox. For example, Dorset farmer Benjamin Jesty successfully vaccinated and presumably induced immunity with cowpox in his wife and two children during a smallpox epidemic in 1774, but it was not until Jenner's work that the procedure became widely understood. Jenner may have been aware of Jesty's procedures and success. A similar observation had also been made in France by Jacques Antoine Rabaut-Pommier in 1780. Noting the common observation that milkmaids were generally immune to smallpox, Jenner postulated that the pus in the blisters that milkmaids received from cowpox (a disease similar to smallpox, but
Frank Jenner were willing to engage in conversation with him, he would invite them either to his home or to a local church. The question became known as "the Frank Jenner question". Jenner was most active in evangelism during World War II. On Saturday nights during the war, Jenner would invite groups of sailors to his home for a service consisting of some hymns and a short sermon. One of the people to whom Jenner posed his question was Noel Stanton, a man from Bedfordshire, England, who was serving in Sydney with the Royal Navy at the time. Stanton became preoccupied with