Alexandre Dumas · Karl Marx Were Alexandre Dumas and Karl Marx alive at the same time? Yes. Alexandre Dumas and Karl Marx were alive at the same time for 52 years, from 1818 to 1870. Alexandre Dumas was 15 when Karl Marx was born.Karl Marx was 52 when Alexandre Dumas died, aged 68. Alexandre DumasFrench writer and dramatistBorn 24 July 1802 · died 5 December 1870, aged 68Karl MarxGerman-born philosopherBorn 5 May 1818 · died 14 March 1883, aged 64 NapoleonAlexandre DumasAbraham LincolnKarl MarxMahatma GandhiVladimir LeninAlbert Einstein Alexandre Dumas and Karl Marx 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.