Atomic Theory

Early Atomic Models

1855 - 1890
1869
1895
1896
1897
1898 - 1899
1898
1903
1906 - 1913
1910

Quantum Theory/Relativity

1900
1905
1905 - 1925
1913 - 1924
1924
1925 - 1928

Fission

1930
1932
1933
1939
1939
1939 - 1940
1942
1945
1951
1955