Robert Smith, b: 1908 - Philadelphia, Pennsylvania

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}


		^{Andrew L. Johnson}^{b.1853 Philadelphi, Pennsylvania d.1937 Philadelphi, Pennsylvania}

	^{Carlton E. Roberts-Smith}^{b.1883 Philadelphi, Pennsylvania d.1950 Philadelphi, Pennsylvania}	^{Susan Y. Smith}^{b.1862 Philadelphi, Pennsylvania d.1921 Philadelphi, Pennsylvania}

^{Robert Smith}^{b.1908 Philadelphi, Pennsylvania d.1980 Philadelphi, Pennsylvania}

	^{Louise Jacoby}^{b.1885 Philadelphi, Pennsylvania d.1960 Philadelphi, Pennsylvania}





^Helen^{b.1910 Philadelphi, Pennsylvania d.}