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
Caitlyn Jenner This prompted the "Eugene Register-Guard" to ask: "Who's Jenner?" Following the Olympic Trials, Jenner finished in tenth place in the decathlon at the 1972 Summer Olympics in Munich. By watching Soviet Mykola Avilov win the event, Jenner was inspired to start an intense training regimen. "For the first time, I knew what I wanted out of life and that was it, and this guy has it. I literally started training that night at midnight, running through the streets of Munich, Germany, training for the Games. I trained that day on through the 1976 Games, 6–8 hours a day, every day,