Who are abstract art persons participated in documenta 7?

8

Donald Judd

American minimalist artist
7

Joel Shapiro

American sculptor, born 1941
7

Anselm Kiefer

German painter and sculptor
7

Gerhard Richter

German visual artist
6

Dan Graham

American artist
4

Tony Cragg

British sculptor
3

Cy Twombly

American painter, draftsman, printmaker, photographer and sculptor (1928-2011)
2

Richard Tuttle

American artist
1

Richard Serra

American sculptor
0

Sigmar Polke

German artist (1941-2010)
0

Richard Artschwager

American artist (1923-2013)
0

Sol LeWitt

American artist (1928-2007)