List of Famous people who died in 1963

Klára Dán von Neumann was a Hungarian-American self-taught computer scientist, noted as one of the first computer programmers.

Sándor Jemnitz, also known as Alexander Jemnitz, was a Hungarian composer, conductor, music critic and author.

Alexandru Rusu was a Romanian bishop of the Greek-Catholic Church. One of twelve children born to a priest in Șăulia Commune, Mureş County, he was himself ordained a priest in 1910. Rusu was ordained Bishop of Maramureş in 1931.

Glenn Gray Knoblauch, known professionally as Glen Gray, was a jazz saxophonist and leader of the Casa Loma Orchestra.

Antoine Balpêtré was a French stage and film actor. He appeared in 52 films between 1933 and 1963.

William Baziotes was an American painter influenced by Surrealism and was a contributor to Abstract Expressionism.

Richard Semler Barthelmess was an American film actor, principally of the Hollywood silent era. He starred opposite Lillian Gish in D. W. Griffith's Broken Blossoms (1919) and Way Down East (1920) and was among the founders of the Academy of Motion Picture Arts and Sciences in 1927. The following year, he was nominated for the Academy Award for Best Actor for two films: The Patent Leather Kid and The Noose.

Hubert Marie Eugène Pierlot was a Belgian politician and Prime Minister of Belgium, serving between 1939 and 1945. Pierlot, a lawyer and jurist, served in World War I before entering politics in the 1920s. A member of the Catholic Party, Pierlot became Prime Minister in 1939, shortly before Belgium entered World War II. In this capacity, he headed the Belgian government in exile, first from France and later Britain, while Belgium was under German occupation. During the German invasion of Belgium in May 1940, a violent disagreement broke out between Pierlot and King Leopold III over whether the King should follow the orders of his ministers and go into exile or surrender to the German Army. Pierlot considered Leopold's subsequent surrender a breach of the Constitution and encouraged the parliament to declare Leopold unfit to reign. The confrontation provoked a lasting animosity between Pierlot and other conservatives, who supported the King's position and considered the government's exile to be cowardly.

Katherine Linn Sage, usually known as Kay Sage, was an American Surrealist artist and poet active between 1936 and 1963. A member of the Golden Age and Post-War periods of surrealism, she is mostly recognized for her artistic works, which typically contain themes of an architectural nature.

Ramón Gómez de la Serna y Puig was a Spanish writer, dramatist and avant-garde agitator. He strongly influenced surrealist film maker Luis Buñuel.