Karl Marx · Isadora Duncana Were Karl Marx and Isadora Duncana alive at the same time? Yes. Karl Marx and Isadora Duncana were alive at the same time for 5 years, from 1877 to 1883. Karl Marx was 59 when Isadora Duncana was born.Isadora Duncana was 5 when Karl Marx died, aged 64. Karl MarxGerman-born philosopherBorn 5 May 1818 · died 14 March 1883, aged 64Isadora DuncanaAmerican dancer and choreographerBorn 26 May 1877 · died 14 September 1927, aged 50 NapoleonAbraham LincolnKarl MarxMahatma GandhiVladimir LeninIsadora DuncanaAlbert EinsteinAdolf HitlerRonald Reagan Karl Marx and Isadora Duncana 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.