Edward Jenner more lives than the work of any other human". In Jenner’s time, smallpox killed around 10 percent of the population, with the number as high as 20 percent in towns and cities where infection spread more easily. In 1821 he was appointed physician extraordinary to King George IV, and was also made mayor of Berkeley and justice of the peace. A member of the Royal Society, in the field of zoology he was the first person to describe the brood parasitism of the cuckoo. In 2002, Jenner was named in the BBC's list of the "100 Greatest Britons". Edward Anthony
Brody Jenner Khloé, and Rob; and his half-sisters, Kendall and Kylie Jenner. Jenner was born in Los Angeles, California, on August 21, 1983, to reality television personality and retired Olympics champion Caitlyn Jenner (formerly Bruce Jenner) and actress Linda Thompson. He is the half-brother to Burton "Burt" and Cassandra "Casey" Jenner through Caitlyn's marriage to Chrystie Crownover, which lasted from 1972 until 1981. Jenner is the younger brother of Brandon Jenner, also a reality-television personality. After Jenner's parents divorced in 1985, Caitlyn Jenner married Kris Kardashian, the ex-wife of attorney Robert Kardashian, in 1991. Consequently, Jenner became a stepbrother of Kourtney, Kim,