Karl Marx · Arthur Conan Doyle Were Karl Marx and Arthur Conan Doyle alive at the same time? Yes. Karl Marx and Arthur Conan Doyle were alive at the same time for 23 years, from 1859 to 1883. Karl Marx was 41 when Arthur Conan Doyle was born.Arthur Conan Doyle was 23 when Karl Marx died, aged 64. Karl MarxGerman-born philosopherBorn 5 May 1818 · died 14 March 1883, aged 64Arthur Conan DoyleBritish writer and physicianBorn 22 May 1859 · died 7 July 1930, aged 71 NapoleonAbraham LincolnKarl MarxArthur Conan DoyleMahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald Reagan Karl Marx and Arthur Conan Doyle 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.