Which Japanese poet perfected the haiku form?

Matsuo Bashō ; born Matsuo Kinsaku , later known as Matsuo Chūemon Munefusa was the most famous Japanese poet of the Edo period. During his lifetime, Bashō was recognized for his works in the collaborative haikai no renga form; today, after centuries of commentary, he is recognized as the greatest master of haiku. He is also well known for his travel essays beginning with Records of a Weather-Exposed Skeleton (1684), written after his journey west to Kyoto and Nara.