Franz West

Franz West Adaptive, 1983

Franz West Curaçao, 1996,Foto: David Zwirner

‘Chou-Chou,’’ a 1998/2001 work by Franz West, at the Museum für Moderne Kunst in Frankfurt

Bas Jan Ader

Nightfall, 16mm film, 1971

Broken Fall (Organic), Amsterdamse Bos, Holland, 1971

In Search of the Miraculous, 1975, performance

Richard Long

A line of sticks in Somerset, 1974, Richard Long

England, 1968, Richard Long, photograph on paper

Untitled, 2014, Richard Long, China Clay. Linen on plywood, diptych 

Joseph Beuys

Joseph Beuys, Stripes from the House of the Shaman, 1964-1972.  Images via Kunstsammlung NRW

Joseph Beuys: Make the Secrets Productive at Pace Gallery, 2010

Joseph Beuys, Tisch mit Aggregat, 1958/1985. Bronze, electrical cable, edition of 4, installation dimensions variable. © 2010 Artists Rights Society (ARS), New York / VG Bild-Kunst, Bonn