Karl Marx · Henrik Pontoppidan Were Karl Marx and Henrik Pontoppidan alive at the same time? Yes. Karl Marx and Henrik Pontoppidan were alive at the same time for 25 years, from 1857 to 1883. Karl Marx was 39 when Henrik Pontoppidan was born.Henrik Pontoppidan was 25 when Karl Marx died, aged 64. Karl MarxGerman-born philosopherBorn 5 May 1818 · died 14 March 1883, aged 64Henrik PontoppidanDanish writer, Nobel LaureateBorn 24 July 1857 · died 21 August 1943, aged 86 NapoleonAbraham LincolnKarl MarxHenrik PontoppidanMahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald Reagan Karl Marx and Henrik Pontoppidan 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.