Friedrich Engels ( ENG-gəlz; German: [ˈfʁiːdʁɪç ˈɛŋl̩s]; 28 November 1820 – 5 August 1895) was a German philosopher, political theorist, journalist, and revolutionary socialist. He was also a businessman and Karl Marx's lifelong friend and closest collaborator, serving as the co-founder of Marxism. Born in Barmen in the Kingdom of Prussia, Engels was the son of a wealthy textile manufacturer.
https://en.wikipedia.org/wiki/Friedrich_Engels