Cowpox children. In 1796, British medical practitioner Edward Jenner tested the theory that cowpox could protect someone from being infected by smallpox. Although cowpox originates on the udder of cows, Jenner took his sample from a milkmaid, Sarah Nelmes. Jenner extracted the pus of one of the lesions formed by cowpox on Nelmes to another individual who never had smallpox, James Phipps. He eventually developed a scab and fever that was manageable. Approximately six weeks later, Jenner then introduced an active sample of the smallpox virus into Phipps to test the theory. After being observed for an extended amount of time,
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