Renku of the formats most commonly used in writing renku Renku , or , is a Japanese form of popular collaborative linked verse poetry. It is a development of the older Japanese poetic tradition of "ushin" renga, or orthodox collaborative linked verse. At renku gatherings participating poets take turns providing alternating verses of 17 and 14 morae. Initially "haikai no renga" distinguished itself through vulgarity and coarseness of wit, before growing into a legitimate artistic tradition, and eventually giving birth to the haiku form of Japanese poetry. The term "renku" gained currency after 1904, when Kyoshi Takahama started to use it.
Haiku was an Englishman who lived in Japan. He produced a series of works on Zen, haiku, senryū, and on other forms of Japanese and Asian literature. In 1949, with the publication in Japan of the first volume of "Haiku", the four-volume work by Blyth, haiku were introduced to the post-war English-speaking world. This four-volume series (1949–52) described haiku from the pre-modern period up to and including Shiki. Blyth's "History of Haiku" (1964) in two volumes is regarded as a classical study of haiku. Today Blyth is best known as a major interpreter of haiku to English speakers. His works have