Max Heyn, b: 1899 -

^{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}



		^Paul Heyn^{b.1862 d.1929 Breslau, Poland}

	^Max Heyn^b.1899 d.		^{Max Bielschowsky}^{b.1844 d.1888 Breslau, Poland}

		^{Else Bielschowsky}^{b.1875 d.1943 Theresien, Czech Republic}	^{Bertha Meidner}^{b.1848 d.1912 Breslau, Poland}

^{Klauspeter Heyn}^b.1932 d.



	^{Charlotte Bückert}^b.1908 d.