Masunobu Yoshimura (吉村 益信, Yoshimura Masunobu; May 22, 1932–March 15, 2011), was a Japanese visual and conceptual artist associated with the Neo-Dada movement. In 1960, he was the founder and leader of the short-lived but influential artistic collective Neo-Dada Organizers, which had as members several young artists who would later become well-known, including Genpei Akasegawa, Shūsaku Arakawa, and Ushio Shinohara. His "White House" atelier in Shinjuku, Tokyo served as the center of the group's activities.
Source: “Masunobu Yoshimura”, English Wikipedia (CC BY-SA 4.0), excerpt
