List of Famous people who died in 1923

Kadambini Ganguly along with Anandibai Joshi was one of the first two female physicians from India as well as from the entire British Empire. Kadambini, herself, was also the first Indian as well as South Asian female physician, trained in western medicine, to graduate in South Asia.

Charles Henry Turner was an American zoologist, educator, and comparative psychologist, known for his studies on the behavior of insects, particularly bees and ants. Born in Cincinnati, Ohio, Turner was the first African American to receive a graduate degree at the University of Cincinnati and most likely the first African American to earn a PhD from the University of Chicago. He spent most of his career as a high school teacher in Sumner High School in St. Louis.

Wilhelm Conrad Röntgen was a German mechanical engineer and physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the inaugural Nobel Prize in Physics in 1901. In honour of Röntgen's accomplishments, in 2004 the International Union of Pure and Applied Chemistry (IUPAC) named element 111, roentgenium, a radioactive element with multiple unstable isotopes, after him. The unit of measurement roentgen was also named after him.

Constantine I was King of Greece from 18 March 1913 to 11 June 1917 and from 19 December 1920 to 27 September 1922. He was commander-in-chief of the Hellenic Army during the unsuccessful Greco-Turkish War of 1897 and led the Greek forces during the successful Balkan Wars of 1912–1913, in which Greece expanded to include Thessaloniki, doubling in area and population. He succeeded to the throne of Greece on 18 March 1913, following his father's assassination.

Gunnar Nordström was a Finnish theoretical physicist best remembered for his theory of gravitation, which was an early competitor of general relativity. Nordström is often designated by modern writers as The Einstein of Finland due to his novel work in similar fields with similar methods to Einstein.

Binao (1867–1927) was a queen of the Sakalava people of Madagascar between 1881–1927. She was the granddaughter of King Andriantsoly of the Boina Kingdom, and acceded in 1881 to the throne of the Bemihisatra group of the Sakalava following the death of her mother, Safy Mozongo. She controlled a relatively small territory on the north-western coast of Madagascar consisting of the island of Nosy Be and a stretch of the mainland coast opposite. During the early years of her reign she faced the challenge posed by the ambitions of the mainland's dominant power, the Merina Kingdom.

Gustave Fraipont was a painter, sculptor, illustrator and poster-designer. Born in Belgium, he later became a naturalised French citizen.

Walter Stanley Haines was an American professor of chemistry, materia medica, and toxicology. He taught at Rush Medical College in Chicago for almost 50 years, and was acclaimed for his teaching. With Frederick Peterson, he published a comprehensive guide to medicine and the law, A Textbook on Legal Medicine and Toxicology, which went through many editions.