John Galsworthy · Adolf Hitler Were John Galsworthy and Adolf Hitler alive at the same time? Yes. John Galsworthy and Adolf Hitler were alive at the same time for 43 years, from 1889 to 1933. John Galsworthy was 21 when Adolf Hitler was born.Adolf Hitler was 43 when John Galsworthy died, aged 65. John GalsworthyEnglish novelist and playwrightBorn 14 August 1867 · died 31 January 1933, aged 65Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56 Karl MarxJohn GalsworthyMahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald ReaganNelson Mandela John Galsworthy 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.