Thomas Mann · Albert Einstein Were Thomas Mann and Albert Einstein alive at the same time? Yes. Thomas Mann and Albert Einstein were alive at the same time for 76 years, from 1879 to 1955. Thomas Mann was 3 when Albert Einstein was born.Thomas Mann was 79 when Albert Einstein died, aged 76. Thomas MannGerman novelist and Nobel Prize laureateBorn 6 June 1875 · died 12 August 1955, aged 80Albert EinsteinGerman-born theoretical physicistBorn 14 March 1879 · died 18 April 1955, aged 76 Karl MarxThomas MannAlbert EinsteinAdolf HitlerRonald ReaganDonald TrumpVladimir Putin Thomas Mann and Albert Einstein 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.