Karl Marx · Guglielmo Marconi Were Karl Marx and Guglielmo Marconi alive at the same time? Yes. Karl Marx and Guglielmo Marconi were alive at the same time for 8 years, from 1874 to 1883. Karl Marx was 55 when Guglielmo Marconi was born.Guglielmo Marconi was 8 when Karl Marx died, aged 64. Karl MarxGerman-born philosopherBorn 5 May 1818 · died 14 March 1883, aged 64Guglielmo MarconiItalian inventor and radio pioneerBorn 25 April 1874 · died 20 July 1937, aged 63 NapoleonAbraham LincolnKarl MarxMahatma GandhiVladimir LeninGuglielmo MarconiAlbert EinsteinAdolf HitlerRonald Reagan Karl Marx and Guglielmo Marconi 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.