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
Kendall Jenner Jenner. Jenner's middle name was a tribute to her mother's best friend Nicole Brown Simpson, who died just before Jenner was conceived. Jenner was raised in a stepfamily with one younger sister, Kylie, and eight half-siblings. Jenner is half sister to Burt and Casey Lynn Jenner through Caitlyn and first wife Christie Crownover. Through Caitlyn and second wife Linda Thompson, Jenner is half sister to indie pop singer Brandon and "The Hills" actor Sam "Brody" Jenner. Jenner is maternal half sister to reality television celebrities Kourtney, Kim, Khloé, and Rob Kardashian through mother Kris Jenner. Jenner was raised with her