What is "matsutani"

Takesada Matsutani is a Japanese, contemporary, mixed-media artist born on January 1, 1937 in Osaka, Japan. He was a member of the Gutai group from 1963 to the dissolution of the group in 1972. His well-known work involves a technique of blowing a gust of air into a puddle of vinyl wood glue, creating bulges, bubbles, and drips, then covered by patient strokes of graphite pencil.