Content by or about Isidore Isou (1925 – 2007), a Romanian-born French poet, dramaturge, novelist, film director, economist, and visual artist. He was the founder of Lettrism, an art and literary movement which owed inspiration to Dada and Surrealism.
Originality and Magnitude (on Isou's System) - Asger Jorn
Jorn on the methodology of Lettrist Isidore Isou. From Internationale Situationniste #4 (June 1960)