For 10 points, two sides curve together to touch one another at the top of the sexually suggestive Pepper No. 30, a work by what photographer, whose head-on shot of a nautilus shell is one of the most expensive photos ever sold?
In this photographer's Armco Steel, Ohio, a domino-like set of seven smokestacks rise like the Flatiron Building above the namesake factory. At the bottom of one picture by this photographer, a fern frond brushes against the leg of a woman who lounges on a sofa while wearing a gas mask. This photographer of that satire, Civilian Defense, also shot a picture of a man whose left arm appears raised to his chest to unbutton a final shirt button, as he lies on the ground. That shot, Dead Man, Colorado Desert, was taken during a cross-country trip this photographer made as part of a Guggenheim Fellowship. A woman crosses her left leg over her right while sitting on the floor, with her unseen face resting on her left knee, while her hands clasp around her right knee in this photographer's 1936 Nude. For 10 points, two sides curve together to touch one another at the top of the sexually suggestive Pepper No. 30, a work by what photographer, whose head-on shot of a nautilus shell is one of the most expensive photos ever sold? 
In this photographer's Armco Steel, Ohio, a domino-like set of seven smokestacks rise like the Flatiron Building above the namesake factory.
Edward Weston 