His piece “Sentences on Conceptual Art” is published in issue 5 of 0 to 9 magazine; it becomes one of the most widely cited artists' writings of the 1960s, exploring the relationship between art, practice and art criticism.
late 1960s
Teaches at New York schools
In the late 1960s he teaches at several New York schools, including New York University and the School of Visual Arts.
1969
“When Attitude Becomes Form” in Bern
Harald Szeemann invites him to take part in “When Attitude Becomes Form” at the Kunsthalle Bern, Switzerland.
1970
First retrospective in The Hague
The Gemeentemuseum in The Hague presents his first retrospective exhibition.
30 juni 1972 – 8 oktober 1972
Exhibition: Documenta 5
1972–1973
Museum shows in Bern and Oxford
In 1972–1973 his exhibitions are mounted at the Kunsthalle Bern and the Museum of Modern Art, Oxford.
