Ruth Lewin, b: 1903 -

^{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}




	^Josef Kramp^b.1888 d.



^{Liselotte Kramp}^b.1923 d.

		^Georg Lewin^b.1885 d.

	^Ruth Lewin^b.1903 d.		^{Max Lauterbach}^{b.1854 d.1896 Breslau, Poland}

		^{Else Lauterbach}^b.1881 d.	^{Lina Bielschowsky}^{b.1859 d.1931 Berlin, Germany}