P. T. Barnum · Albert Einstein Were P. T. Barnum and Albert Einstein alive at the same time? Yes. P. T. Barnum and Albert Einstein were alive at the same time for 12 years, from 1879 to 1891. P. T. Barnum was 68 when Albert Einstein was born.Albert Einstein was 12 when P. T. Barnum died, aged 80. P. T. BarnumAmerican showman and politicianBorn 5 July 1810 · died 7 April 1891, aged 80Albert EinsteinGerman-born theoretical physicistBorn 14 March 1879 · died 18 April 1955, aged 76 Abraham LincolnP. T. BarnumKarl MarxVladimir LeninAlbert EinsteinAdolf HitlerRonald ReaganDonald TrumpVladimir Putin P. T. Barnum 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.