Thomas Edison

this is for science.

Thomas Edison's Life

1847
1859
1862
1869
1871
1873
1875
1876
1876
1877
1878
1881
1884
1886
1888
1888
1890
1894
1898
1912
1913
1918
1920
1929
1931

Nikola Tesla's Life

1856
1861 - 1873
1874
1881
1882
1883
1885
1892
1896
1904
1912
1918
1934
1943