|alt=Three quarter length studio photo showing Darwin's characteristic large forehead and bushy eyebrows with deep set eyes, pug nose and mouth set in a determined look. He is bald on top, with dark hair and long side whiskers but no beard or moustache. His jacket is dark, with very wide lapels, and his trousers are a light check pattern. His shirt has an upright wing collar, and his cravat is tucked into his waistcoat which is a light fine checked pattern. | |alt=Three quarter length studio photo showing Darwin's characteristic large forehead and bushy eyebrows with deep set eyes, pug nose and mouth set in a determined look. He is bald on top, with dark hair and long side whiskers but no beard or moustache. His jacket is dark, with very wide lapels, and his trousers are a light check pattern. His shirt has an upright wing collar, and his cravat is tucked into his waistcoat which is a light fine checked pattern. |