Keywords: Alan Turing az 1930-as években.jpg hu Alan Turing az 1930-as években https //berichtenuithetverleden wordpress com/2013/01/29/alan-turing-1912-1954/ author Public Domain according to http //www theguardian com/science/2012/mar/06/alan-turing-exhibition-enigma-codebreaker circa 1930 s PD-old Alan Turing |