Larcom DOF Timeline By 955618 Sep 26, 1901 Pythagorus is born in 570BC pythagorus is born in 570BC Sep 26, 1902 Eratosthenes is born on 276BC Sep 26, 1903 Ptolemy is born in 90BC Sep 26, 1904 Democritus is born in 460BC Sep 26, 1905 Aristarchus is born in 310BC Feb 15, 1906 Galileo is born on February,15,1564 Feb 19, 1907 Copernicus is born on February,19,1473 Sep 28, 1908 Hypatia is born in 370AD Sep 28, 1909 Kepler is born on December,27,1571 Sep 28, 1930 Pythagorus comes up with the Pythagorean Theorem Sep 28, 1931 Eratosthenes comes up with latitude and longitude Sep 28, 1932 Ptolemy comes up with Ptolemy's Theorem Sep 28, 1933 Democritus comes up with the Democritus Atomic Theory Sep 28, 1934 Aristarcus comes up with part of the Solar System Sep 28, 1935 Galileo makes improvements to the telescope Sep 28, 1936 Copernicus formulates a comprehensive heliocentric cosmology Sep 28, 1937 Hypatia was the first historically noted woman in mathematics Sep 28, 1938 Kepler comes up with the laws of planetary motion Sep 28, 1953 Hypatia dies in 415AD Sep 28, 1968 Kepler dies on November,15,1630 Sep 26, 1976 Pythagorus dies in 495BC Sep 28, 1977 Copernicus dies on May,24,1543 Sep 26, 1981 Ptolemy dies in 168BC Jan 8, 1984 galileo dies on January,8,1984 Sep 26, 1984 Eratosthenes dies in 194BC Sep 26, 1985 Aristichus is born in 230BC Sep 26, 1994 Democritus is born in 370BC