Wilhelm Röntgen · Adolf Hitler Were Wilhelm Röntgen and Adolf Hitler alive at the same time? Yes. Wilhelm Röntgen and Adolf Hitler were alive at the same time for 33 years, from 1889 to 1923. Wilhelm Röntgen was 44 when Adolf Hitler was born.Adolf Hitler was 33 when Wilhelm Röntgen died, aged 77. Wilhelm RöntgenGerman physicistBorn 27 March 1845 · died 10 February 1923, aged 77Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56 Abraham LincolnKarl MarxWilhelm RöntgenMahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald ReaganNelson Mandela Wilhelm Röntgen and Adolf Hitler in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.