What was Georgia O'Keeffe's first husband Alfred Stieglitz's profession?

Alfred Stieglitz was a photographer.

He was one of the central figures in the history of modern photography in the United States. Stieglitz argued that photography could be recognized as a fine art rather than treated merely as a technical or documentary process. His own photographs included urban scenes, landscapes, portraits, and studies of clouds.

Stieglitz also worked as an editor, gallery owner, and advocate for modern art. Through publications and galleries such as 291, he introduced American audiences to artists including Pablo Picasso, Henri Matisse, and Constantin Brâncuși, while also supporting American artists such as O'Keeffe.

His professional identity is sometimes reduced to his connection with O'Keeffe, but he had already built an influential career before they met. He photographed O'Keeffe repeatedly from the 1910s onward, and those portraits became an important visual record of her life and public image.