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,
Kendall Jenner sister and maternal half-siblings in Calabasas, an upscale suburb west of Los Angeles. Jenner attended Sierra Canyon School before switching to homeschooling in order to pursue modeling. She graduated in 2014. Jenner began modeling at age 14 when Wilhelmina Models signed her on July 12, 2009. Cinematographer Nick Saglimbeni directed the photoshoot for Jenner's Wilhelmina portfolio. Jenner's first modeling job was the "Rocker Babes with a Twist" campaign for Forever 21 in December 2009 and January 2010. Jenner featured in a "Teen Vogue" Snapshot on April 19, 2010. In September 2011, Jenner walked for Sherri Hill during Mercedes-Benz Fashion Week.