Atomoa By Ruben_ 1300 BCE Mosco de sidon 500 BCE Leucipo 460 BCE Democrito 341 BCE Epicuro 200 BCE Kanada 1803 Jhon Dalton 1902 Gilbert N. Lewis 1903 Hantaro Nagaoka 1904 Joseph Jhon Thomson 1907 Jean Perrin 1911 Ernest Rutherford 1913 Niels Bhor 1916 Arnold Sommerfeld 1926 Erwin Schrodinger 1928 Paul Dirac y Pascual Jordan 1932 James Chadwick
