of his most famous book was Dracula. Joanne Kathleen Rowling was born on July 31st, 1965 in Chipping Sodbury, Gloucestershire, England. She is a very famous English writer because she wrote Harry Potter.By the summer of 2000, Ms. Rowling has earned, reportedly, over $400 million dollars for her first three Harry Potter books, which have been printed in 35 languages, and sold over 30 million copies. Cientificos e InventoresNeste apartado coneceras os descubridores de inventos de moita sona como a lei da gravidade, a penicilina, o telefono... e outros que son tan comuns nas nosas vidas que nos parece que sempre estiveron ahi e non lles damos a importancia que tenen como por exemplo as gomas, as bombillas o radar... Sir Isaac Newton (born December 25, 1642 died March 20, 1727 ) was an English alchemist, mathematician, astronomer, scientist and philosopher; who described universal gravitation.Sir Alexander Fleming (born August 6, 1881 Scotland - died March 11, 1955) is famous for discovering the penicillin and he recived a Nobel prize.. Alexander Graham Bell (March 3, 1847, Edinburgh, Scotland - August 2, 1922, Baddek, Nova Scotia) invented the telephone (with Thomas Watson) in 1876. Bell also improved Thomas Edison's phonograph. Bell invented the multiple telegraph (1875), the hydroairplane, the photo-sensitive selenium cell (the photophone, a wireless phone, developed with Sumner Tainter), and new techniques for teaching the deaf to speak. In 1882, Bell and his father-in-law, Gardiner Hubbard, bought and re-organized the journal "Science." Bell, Hubbard and others founded the National Geographic Society in 1888; Bell was the President of the National Geographic Society from 1898 to 1903. Sir Humphry Davy (1778-1829) was an English scientist who invented the first electric light in 1800. He experimented with electricity and invented an electric battery.Davy also invented a miner's safety helmet and a process to desalinate sea water. Davy discovered the elements boron, sodium, aluminum (whose name he later changed to aluminium), and potassium.Stephen Perry made the first rubber band in 1845 in the manufacturing company Messers Perry and Co., in London, England. This rubber band was made of vulcanized rubber. Perry invented the rubber band to hold papers or envelopes together.Sir Robert Alexander Watson-Watt, Scotish physicist (April 13, 1892-December 5, 1973). He invented in 1935 the first practical radar system. His invention eventually helped the allies win World War 2 against the Germans. Radar is short for RAdio Detection And Ranging. He developed radar to help track storms in order to keep aircraft safe. Radar is used to locate distant objects by sending out radio waves and analyzing the echos that return. Radar can determine where a distant object is, how big it is, what shape it has, how fast it's moving and in which direction it's going. Radar is now used to watch developing weather patterns, to monitor air traffic, to track ships at sea, and to detect missiles. ExploradoresSir Richard Francis Burton (1821-1890) was an English explorer, linguist, author, and soldier. He was the first European to see many Muslim cities and Lake Tanganyika; he wrote voluminously about his trips.Allan Cunningham (1791 -