Arthur Marx Arthur Marx Arthur Julius Marx (July 21, 1921April 14, 2011) was an American author, a nationally ranked amateur tennis player, and son of entertainer Groucho Marx, and his first wife, Ruth Johnson. He was named after Groucho's brother Arthur "Harpo" Marx. Marx spent his early years accompanying his father around vaudeville circuits in the United States and abroad. When he was 10, the family moved to Southern California, where the Marx Brothers continued their film careers. Marx was a nationally ranked tennis player before he was 18. While he was attending the University of Southern California, he won the National
Biographies of Karl Marx (1925), Japanese (1930), Spanish (1932), and English (1935). Marx: Man and Fighter is a biography by Boris Nicolaievsky, first published in German in 1933. It was translated into English by Otto Mänchen-Helfen and published in 1936. Some subsequent English editions restore the notes, appendices, and bibliography omitted from the first English edition. Karl Marx: His Life and Environment is a 1939 biography of Karl Marx by Isaiah Berlin, in which Berlin argues that Marx's system of thought depends upon indefensible metaphysical presuppositions. Karl Marx: His Life and Thought is a 1973 biography of Karl Marx by political scientist David McLellan.