Arthur Adolph Harpo Marx November 23 1888 September 28 1964 was an American comedian and film star He was the second oldest of the Marx Brothers His comic style was influenced by clown and pantomime traditions He wore a curly reddish wig and never spoke during performances he blew a horn or whistled to communicate Marx frequently used props such as a walking stick with a builtin bulb horn and he played the harp in most of his films Description above from the Wikipedia article Harpo Marx licensed under CCBYSA full list of contributors on Wikipedia