Spasm of m. corrugator supercilii under very strong light (left); A relaxed face (photographed in full sunshine) (right)

Guillaume-Benjamin-Amant Duchenne (de Boulogne)

National Gallery of Art

The image shows a man depicted from the waist up. His facial features include a furrowed brow and a slightly downturned mouth. He has thin, combed-back hair. The man is wearing a loose-fitting, open-collared shirt that reveals part of his chest. One of his hands is visible, resting against his torso. Another hand is holding an instrument or device against the side of his head. The background is dark.