Changing Timelines By Tabro670 276 BCE Eratosthenes born 240 BCE Eratosthenes measured the Earth 230 BCE Eratosthenes was inspired by astronomy 194 BCE Eratosthenes died 7 Marie Curie born 1564 Galileo born 1597 Galileo creates a machine for calculations 1609 Galileo discovers Jupiter's 4 moons, proving heliocentric theory 1642 Galileo dies 1809 Charles Darwin Born 1825 Darwin begins college 1859 Darwin publishes book on natural selection and evolution 1880 Alred Wegener born 1882 Darwin dies 1895 Marie Curie marries Pierre 1898 Radium discovered 1898 Marie Curie discovers polonium 1906 Harry Hess born 1912 Wegner proposes continental drift 1914 Marie discovers the first portable x-ray machine 1916 Francis Crick born 1920 Rosalind Franklin born 1928 James Watson born 1934 Marie Curie dies 1946 Harry Hess 'discovered' plate tectonics' 1952 Rosalind Franklin's best picture of DNA is taken 1953 Watson and Crick discover DNA's double helix structure 1958 Rosalind Franklin died 1969 Harry Hess died 2004 Francis Crick dies