Adolf Hitler · Richard Feynman Were Adolf Hitler and Richard Feynman alive at the same time? Yes. Adolf Hitler and Richard Feynman were alive at the same time for 26 years, from 1918 to 1945. Adolf Hitler was 29 when Richard Feynman was born.Richard Feynman was 26 when Adolf Hitler died, aged 56. Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56Richard FeynmanAmerican theoretical physicistBorn 11 May 1918 · died 15 February 1988, aged 69 Mahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald ReaganRichard FeynmanNelson MandelaDonald TrumpMichael JacksonBarack Obama Adolf Hitler and Richard Feynman 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.