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
George Marx with noted arachnologists in America and Europe including Tamerlan Thorell, Eugène Simon, James Henry Emerton and George Williams Peckham. Marx completed and edited "Die Spinnen Amerikas" (The American Spiders) which had been left unfinished by the death of the original author, Eugen von Keyserling. Marx was a founder and active member of the Entomological Society of Washington and served as president of the organization in 1891. In addition to all his other activities he also found time to continue his medical studies and in 1885 received an M.D. from Columbian University (now George Washington University). Marx died on January 3,