For 20 Years: Editions Schellmann

13 November 1989 to 13 March 1990

Organizer

Wendy Weitman

Joseph Beuys
German, 1921–1986
24 exhibitions

Sandro Chia
Italian, born 1946
9 exhibitions

Christo (Christo Javacheff)
American, born Bulgaria 1935
28 exhibitions

Francesco Clemente
Italian, born 1952
16 exhibitions

Enzo Cucchi
Italian, born 1949
7 exhibitions

Hanne Darboven
German, 1941–2009
7 exhibitions

Peter Halley
American, born 1953
1 exhibition

Keith Haring
American, 1958–1990
2 exhibitions

Donald Judd
American, 1928–1994
22 exhibitions

K.O.S. (Kids of Survival)
founded 1982
4 exhibitions

Jannis Kounellis
Greek, born 1936
11 exhibitions

Sol LeWitt
American, 1928–2007
43 exhibitions

Richard Long
British, born 1945
12 exhibitions

Robert Longo
American, born 1953
11 exhibitions

Robert Mapplethorpe
American, 1946–1989
6 exhibitions

Gerhard Merz
German, born 1947
1 exhibition

Mimmo Paladino
Italian, born 1948
8 exhibitions

Larry Rivers
American, 1923–2002
46 exhibitions

Tim Rollins
American, born 1955
4 exhibitions

David Salle
American, born 1952
9 exhibitions

Andy Warhol
American, 1928–1987
48 exhibitions