revision preference src: Karl Heinrich Marx (5 May 1818 in Trier – 14 March 1883 in London) was a German political thinker who wrote about money (economics) and power (politics). <SEP> tgt: Karl Marx (]; 5 May 1818 – 14 March 1883) was a German philosopher, economist, historian, sociologist, political theorist, journalist and socialist revolutionary.