Happy Birthday Pauline Oliveros, “Bye Bye Butterfly” (1965)

Pauline Oliveros, “Bye Bye Butterfly” (1965)

Wassily Kandinsky

Wassily Kandinsky, a photo by Russophile.org | Russian Art on Flickr.

Nedko Solakov

Untitled, a photo by janberckmans on Flickr.

Oswaldo Guayasamin

OSWALDO GUAYASAMIN, a photo by Lu Werlish on Flickr.

Luigi Ghirri

Ghirri | No title, a photo by sonnoelefante on Flickr.

Hans Hartung

Hartung, Hans (1904-1989) - 1981 T1981-E23 (Private Collection), a photo by RasMarley on Flickr.

Adam Bota

Adam Bota - Sekundeschlaf - Vernissage, a photo by katerinacerny on Flickr.

Stephan Balkenhol

Kapitelplatz, 5020 Salzburg, a photo by CameliaTWU on Flickr.

Michael Berryhill

R2DTrees, a photo by vorpaldinger on Flickr.

Jordan Sullivan

Untitled, a photo by Jordan-Sullivan on Flickr.

Sharon Ya'Ari

sharon ya'ari, a photo by Paul Soulellis on Flickr.

Jeff Koons at Fondation Beyeler

Nigel Cooke

Untitled, a photo by galiaoffri on Flickr.

Frieze Art Fair New York

Frieze Art Fair New York 2012

Heather L. Johnson

Heather L. Johnson 3, a photo by McCollCenterNC on Flickr.

James Verbicky

James Verbicky, a photo by LagunaArtMuseum on Flickr.

Bo Christian Larsson

Bo Christian Larsson: Home killing, 2007, a photo by Bharfot on Flickr.

Malamp UK, Brandon Ballengee, 2007 (The Arts Catalyst)

Allen Jones

24.02.allen_jones_chair, a photo by designucdavis on Flickr.

Herbert Brandl

VLC Acte05, a photo by Sé1980 on Flickr.

Sarah Lucas

NYC - MoMA: Sarah Lucas' Oh! Soldier, a photo by wallyg on Flickr.

Constantin Brancusi

Constantin Brancusi White Negress II, a photo by pamelainob (Pamela Schreckengost) on Flickr.

De Wain Valentine

De Wain Valentine, a photo by rocor on Flickr.

Mary Corse

Mary Corse, a photo by yuko2 on Flickr.