Over the years, I have learned that every significant invention has several characteristics. By definition it must be startling, unexpected, and must come into a world that is not prepared for it.
1564 - 1616
1803 – 1882
1854 – 1900
1942 – 2016
1928 – 2014
1835 – 1910
1869 – 1948
1884 – 1962
1898 – 1963
1929 – 1993
1879 – 1955
1809 – 1865