List of Famous people who died in 1923

Georg Ferdinand Helm was a German mathematician.

Guido Herzfeld was a German stage and film actor. Herzfeld established himself in the theatre in the nineteenth century. In 1914 he made his film debut and went on to appear in over sixty films before his death.

Arthur Looss was a German zoologist and parasitologist. Looss was born in 1861 in Chemnitz, and was educated both there and in Łódź, Poland. Thereafter, he studied at the University of Leipzig, where he received a doctorate for his study of trematodes.

Ruy Barbosa de Oliveira was a Brazilian polymath, diplomat, writer, jurist, and politician.

Alfred Schuler was a German classicist, esotericist, ceremonial magician, mystagogue, writer, poet, and independent scholar. He was a co-founder and central esoteric figure of the Munich Cosmic Circle, a prominent group of Munich-based writers and intellectuals. Furthermore, he was a notable influence to poet Stefan George and philosopher Ludwig Klages, of whom he was a life-long friend, as well as other members of the Circle. The majority of his literary output was not published until after his death.

Stojan Protić was a Serbian politician and writer. He served as the Prime Minister of the Kingdom of Serbs, Croats, and Slovenes between 1918 and 1919, and again in 1920, later called Yugoslavia. He is best remembered as the key theoretician of Serbian parliamentarism.

Boris Sidis was a Ukrainian-American psychologist, physician, psychiatrist, and philosopher of education. Sidis founded the New York State Psychopathic Institute and the Journal of Abnormal Psychology. He was the father of child prodigy William James Sidis. Boris Sidis eventually opposed mainstream psychology and Sigmund Freud, and thereby died ostracized. He was married to a maternal aunt of Clifton Fadiman, the American intellectual.

Damat Mehmed Adil Ferid Pasha, known simply as Damat Ferid Pasha, was an Ottoman liberal statesman, who held the office of Grand Vizier, the de facto prime minister of the Ottoman Empire, during two periods under the reign of the last Ottoman Sultan Mehmed VI, the first time between 4 March 1919 and 2 October 1919 and the second time between 5 April 1920 and 21 October 1920. Officially, he was brought to the office a total of five times, since his cabinets were recurrently dismissed under various pressures and he had to present new ones. Because of his readiness to acknowledge atrocities against the Armenians, his involvement in the Treaty of Sèvres, and his collaboration with the occupying Allied powers, he became an unpopular figure in Turkey and emigrated to Europe at the end of the Greco-Turkish War.

William Wallace Halleck Reid was an American actor in silent film, referred to as "the screen's most perfect lover". He also had a brief career as a racing driver.

Lieutenant-Colonel Henry Haversham Godwin-Austen FRS FZS FRGS MBOU, known until 1854 as Henry Haversham Austen, was an English topographer, geologist, naturalist and surveyor.