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.) 

Georgia O'Keeffe
[Artist, b. 1887, Sun Prairie, Wisconsin, d. 1986, Santa Fe, New Mexico.]

 If they had known what a close relationship he would have needed to photograph [them] the way he photographed me—I think they wouldn’t have been interested. (On men who wanted Alfred Stieglitz to photograph their wives or girlfriends, 1922.) 

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

 Photoshop is not in my vocabulary. I don’t need it because I have content. 

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. 

Orlan (Mireille Suzanne Francette Porte)
[Artist, b. 1947, St. Etienne, France, lives in Ivry-sur-Seine, France.]

 I make myself into a new image in order to produce new images. 

Paul Outerbridge
[Photographer, b. 1896, New York, d. 1958, Laguna Beach, California.]

 What this country needs is more and better nudes. 

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. 

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.