Blind stamp, 31 x 23 cm, lo. ri. sign. a. dat. Mack 66, unframed. - German artist, co-founder of Zero. M. studied art a. philosophy in Düsseldorf a. Cologne since 1950. Together with O. Piene he founded the artist's group Zero in Düsseldorf in 1957. As early as 1958 he exhibited at the Documenta for the first time, in 1970 he represented Germany at the Venice Biennale. M. often uses elements of light a. motion in his artworks. He is considered to be one of the foremost innovaters of post-war art a. was awarded many prizes.