Mark Twain · Albert Einstein Were Mark Twain and Albert Einstein alive at the same time? Yes. Mark Twain and Albert Einstein were alive at the same time for 31 years, from 1879 to 1910. Mark Twain was 43 when Albert Einstein was born.Albert Einstein was 31 when Mark Twain died, aged 74. Mark TwainAmerican author and humoristBorn 30 November 1835 · died 21 April 1910, aged 74Albert EinsteinGerman-born theoretical physicistBorn 14 March 1879 · died 18 April 1955, aged 76 Abraham LincolnKarl MarxMark TwainVladimir LeninAlbert EinsteinAdolf HitlerRonald ReaganDonald TrumpVladimir Putin Mark Twain 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.