Karl Marx · Karl Ferdinand Braun Were Karl Marx and Karl Ferdinand Braun alive at the same time? Yes. Karl Marx and Karl Ferdinand Braun were alive at the same time for 32 years, from 1850 to 1883. Karl Marx was 32 when Karl Ferdinand Braun was born.Karl Ferdinand Braun was 32 when Karl Marx died, aged 64. Karl MarxGerman-born philosopherBorn 5 May 1818 · died 14 March 1883, aged 64Karl Ferdinand BraunGerman physicistBorn 6 June 1850 · died 20 April 1918, aged 67 NapoleonAbraham LincolnKarl MarxKarl Ferdinand BraunMahatma GandhiVladimir LeninAlbert EinsteinAdolf HitlerRonald Reagan Karl Marx and Karl Ferdinand Braun 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.