Adolf Hitler · John Bardeen Were Adolf Hitler and John Bardeen alive at the same time? Yes. Adolf Hitler and John Bardeen were alive at the same time for 36 years, from 1908 to 1945. Adolf Hitler was 19 when John Bardeen was born.John Bardeen was 36 when Adolf Hitler died, aged 56. Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56John BardeenAmerican physicist and engineerBorn 23 May 1908 · died 30 January 1991, aged 82 Mahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerJohn BardeenRonald ReaganNelson MandelaDonald TrumpMichael JacksonBarack Obama Adolf Hitler and John Bardeen 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.