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1904 Karl Stellwag von Carion, an Austrian ophthalmologist, died (28 January 1823 – 21 November 1904). He was a native of Langendorf, a village in Moravia. He studied medicine at Prague and Vienna, where in 1847 he received his medical doctorate. Following graduation he was an assistant in the department of ophthalmology at Vienna General Hospital. In 1854 he was a private lecturer at the University of Vienna, where in 1857 he attained the title of "professor extraordinarius". In 1873 he became a full professor of ophthalmology at the university. During his years in Vienna, he also taught classes at Josephs Academy (Josephinum). Stellwag von Carion made contributions in his investigations of glaucoma, accommodation and light polarization, and is remembered for his extensive research involving anomalies of refraction. In 1856 he coined the term "ectopia lentis", when describing a patient who had congenital lens dislocation. He was the author of many works in the field of ophthalmology, including the widely popular Lehrbuch der praktischen Augenheilkunde, a book that was later translated into Italian, Hungarian and English (Treatise on the diseases of the eye, including the anatomy of the organ). His name is lent to "Stellwag's sign", an indication of infrequent or incomplete blinking associated with exophthalmos.

1916 Eugène-Louis Doyen, French surgeon, died (Reims, December 16, 1859 – November 21, 1916). He was the son of Octave Doyen (1831–1895), who served as mayor of Reims. Eugène Doyen studied medicine in Reims and Paris, and later opened a private medical institute in Paris that attracted a wealthy clientele. Doyen was a skilled and innovative physician who introduced several surgical techniques and medical instruments, some of which bear his name today. He was a pioneer in the use of electrosurgery and electrocoagulation, and also marketed a yeast extract he called "mycolysine" for treatment of infectious diseases. He had a keen interest in photography and cinematography, and performed early experiments of color film, microcinematography and stereoscopic film. He produced numerous films of operations, including a craniectomy, an abdominal hysterectomy, and a surgery for separation of conjoined twins Radhika and Dudhika Nayak, united in the area of the xiphoid process of the sternum. Although his films were popular at medical conferences abroad, they were harshly criticized by his contemporaries in France, who felt that the integrity of their profession had been compromised. For a period of time, Doyen was editor-in-chief of the Revue Critique de Médecine et de Chirurgie, as well as the Archives de Doyen, a medico-surgical journal of the Doyen Institute.