Adolf Hitler · John Forbes Nash Were Adolf Hitler and John Forbes Nash alive at the same time? Yes. Adolf Hitler and John Forbes Nash were alive at the same time for 16 years, from 1928 to 1945. Adolf Hitler was 39 when John Forbes Nash was born.John Forbes Nash was 16 when Adolf Hitler died, aged 56. Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56John Forbes NashAmerican mathematician and economistBorn 13 June 1928 · died 23 May 2015, aged 86 Mahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald ReaganNelson MandelaJohn Forbes NashDonald TrumpMichael JacksonBarack Obama Adolf Hitler and John Forbes Nash 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.