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,
Kris Jenner Jenner Communications, which is based in Los Angeles. Since before the start of "Keeping Up with the Kardashians", she has managed her daughter Kim's career. She also is involved with the business management of her other daughters and son. Jenner opened a children's boutique in 2004 with her eldest daughter, Kourtney. The boutique was called "Smooch" and was open for almost six years before closing down in 2009. Jenner's autobiography, "Kris Jenner... and All Things Kardashian", was released in November 2011. She later wrote a cookbook entitled "In the Kitchen with Kris: A Kollection of Kardashian-Jenner Family Favorites", which was