Thomas Mann · Adolf Hitler Were Thomas Mann and Adolf Hitler alive at the same time? Yes. Thomas Mann and Adolf Hitler were alive at the same time for 56 years, from 1889 to 1945. Thomas Mann was 13 when Adolf Hitler was born.Thomas Mann was 69 when Adolf Hitler died, aged 56. Thomas MannGerman novelist and Nobel Prize laureateBorn 6 June 1875 · died 12 August 1955, aged 80Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56 Karl MarxMahatma GandhiVladimir LeninThomas MannAlbert EinsteinAdolf HitlerRonald ReaganNelson MandelaDonald TrumpVladimir Putin Thomas Mann 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.