Sarah Villiers, Countess of Jersey Her husband, George Villiers, added the surname Child by royal licence. Lady Jersey married George Child Villiers, 5th Earl of Jersey, on 23 May 1804, in the drawing room of her house in Berkeley Square. Her husband's mother, Frances Villiers, Countess of Jersey (also Lady Jersey), was one of the more notorious mistresses of King George IV when he was Prince of Wales. Her sister Maria married John Ponsonby, Viscount Duncannon, later the 4th Earl of Bessborough, a brother of Lady Caroline Lamb. Her own affairs, though conducted discreetly, were said to be numerous: Henry John Temple, 3rd Viscount Palmerston,
19th century in science 19th century in science The 19th century in science saw the birth of science as a profession; the term scientist was coined in 1833 by William Whewell, which soon replaced the older term of (natural) philosopher. Among the most influential ideas of the 19th century were those of Charles Darwin (alongside the independent researches of Alfred Russel Wallace), who in 1859 published the book "The Origin of Species", which introduced the idea of evolution by natural selection. Another important landmark in medicine and biology were the successful efforts to prove the germ theory of disease. Following this, Louis Pasteur made