Dale Carnegie · Adolf Hitler Were Dale Carnegie and Adolf Hitler alive at the same time? Yes. Dale Carnegie and Adolf Hitler were alive at the same time for 56 years, from 1889 to 1945. Dale Carnegie was under a year old when Adolf Hitler was born.Both were 56 when Adolf Hitler died. Dale CarnegieAmerican writer and lecturerBorn 24 November 1888 · died 1 November 1955, aged 66Adolf HitlerDictator of Germany from 1933 to 1945Born 20 April 1889 · died 30 April 1945, aged 56 Mahatma GandhiVladimir LeninAlbert EinsteinDale CarnegieAdolf HitlerRonald ReaganNelson MandelaDonald TrumpVladimir Putin Dale Carnegie 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.