List of Famous people who died in 1943

Carl Wilhelm Wolfgang Ostwald was a German chemist and biologist researching colloids.

Sigrid Onégin was a Franco-German operatic contralto who enjoyed a major international career prior to World War II. She was celebrated for the richness of its tone, its flexibility, its size, and its expert coloratura technique. She also possessed a remarkably wide vocal range.

Dwight Iliff Frye was an American character actor of stage and screen. He is best known for his portrayals of neurotic, murderous villains in several classic Universal horror films, such as Renfield in Dracula (1931) and Fritz in Frankenstein (1931).

Rudolf Rittner was a German actor born in Weissbach, Moravia, famous for playing knight and folk hero Florian Geyer in Gerhart Hauptmann's drama of the same name. The well-known German painter Lovis Corinth portrayed him in 1906. Only one year later, at the age of 38, Rittner being at the peak of his career retired as theatrical actor.

Charles Puffy was a Hungarian film actor.

Erich Würdemann was a German U-boat commander in World War II and recipient of the Knight's Cross of the Iron Cross. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.

Frank Schlesinger was an American astronomer. His work concentrated on using photographic plates rather than direct visual studies for astronomical research.