Edward Jenner spread around Europe and was used "en masse" in the Spanish Balmis Expedition (1803–1806), a three-year-long mission to the Americas, the Philippines, Macao, China, led by Dr. Francisco Javier de Balmis with the aim of giving thousands the smallpox vaccine. The expedition was successful, and Jenner wrote, "I don’t imagine the annals of history furnish an example of philanthropy so noble, so extensive as this." Napoleon, who at the time was at war with Britain, had all his French troops vaccinated, awarded Jenner a medal, and at the request of Jenner he released two English prisoners of war and permitted
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