Gabriel Orozco
[Artist, b. 1962, Jalapa, Veracruz, Mexico, lives in New York, Paris, and Mexico City.]

 Photography is more than a window for me. Photography is more like a “space” that tries to capture situations. 

Roman Opalka
[Artist, b. 1931, Hocquincourt, France, d. 2011, Rome.]

 Art has a lot in common with madness. After all, why should one get involved with art? You can live normally like everyone else—which is to say, as stupidly as everyone else. 

Timothy O'Sullivan
[Photographer, b. 1840, Ireland or New York (disputed), d. 1882, Staten Island, New York.]

 The battle of Bull Run would have been photographed “close up” but for the fact that a shell from one of the rebel field-pieces took away the photographer’s camera. 

Bill Owens
[Photographer, b. 1938, San Jose, California, lives in Hayward, California.]

 The kind of photographs I do are not pretty pictures for the walls of your home, but instead say something about the walls of your home. 

George Orwell (Eric Arthur Blair)
[Writer, b. 1903, Motihari, Bengal, India, d. 1950, London.]

 It was true that there was no such person as Comrade Oglivy, but a few lines of print and a couple of faked photographs would soon bring him into existence... Comrade Oglivy, who had never existed in the present, now existed in the past, and when once the act of forgery was forgotten, he would exist just as authentically, and upon the same evidence, as Charlemagne or Julius Caesar. 

Dennis Oppenheim
[Artist, b. 1938, Electric City, Washington, d. 2011, New York.]

 You can’t understand how strange it was to be a sculptor who exhibited photographs. (On exhibitions of his “earthworks” and land art pieces.) 

Catherine Opie
[Photographer, b. 1961, Sandusky, Ohio, lives in Los Angeles.]

 Language is a very complicated thing, and that’s one of the reasons why I like making photographs. 

Craig Owens
[Writer and critic, b. 1950, d. 1990.]

 Representation, then, is not—nor can it be—neutral; it is an act—indeed the founding act—of power in our culture.