Writing about the making of wall drawings, he observes that each person draws a line differently and each person understands words differently.
1972年6月30日–1972年10月8日
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.
1975
Two MATRIX exhibitions at the Wadsworth Atheneum
For the third MATRIX exhibition at the Wadsworth Atheneum in Hartford he creates “The Location of a Rectangle for the Hartford Atheneum”; later that year he takes part in the sixth MATRIX, providing instructions for a second wall drawing.
