Gertrud Hamburger, b: 1895 -

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}




^{Werner Scheff}^{b. d.}





	^{Paul Hamburger}^{b.1859 d.1920 Berlin, Germany}

^{Gertrud Hamburger}^b.1895 d.		^{Adolf Bielschowsky}^{b.1833 d.1898 Breslau, Poland}

	^{Meta Bielschowsky}^{b.1869 d.1919 Berlin, Germany}	^{Friederike Bielschowsky}^{b.1839 d.1908 Breslau, Poland}