A photogram (or what Man Ray called a “rayograph”) is a unique photograph made without a camera. In creating his photograms, Man Ray placed various ordinary objects—and sometimes body parts—onto photosensitive paper and then exposed them to light. The areas of paper exposed to the light become darker, whereas the areas covered by objects remain light. Depending on the shape and transparency of the objects used, the resulting unpredictable compositions of silhouettes ranged from mysterious to humorous in their effects, and often evoked the appearance of an x-ray.