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Mathew B. Brady
National Portrait Gallery, Smithsonian Institution
Gift of George S. Whiteley IV, Object number: AD/NPG.2015.3
Mathew Brady placed this full-page advertisement in the Illustrated American Biography, a publication that marketed itself as a biographical volume but was actually a glorified business directory. With its cutaway image of a camera, Brady’s ad presents a fanciful view of the process by which sunlight passes through the camera’s lens to produce an image.