List of Famous people who died in 1931

Oskar Minkowski was a German physician and physiologist who held a professorship at the University of Breslau and is most famous for his research on diabetes. He was the brother of the mathematician Hermann Minkowski and father of astrophysicist Rudolph Minkowski.

Wilhelm Iwan Friederich August Freiherr von Gloeden was a German photographer who worked mainly in Italy. He is mostly known for his pastoral nude studies of Sicilian boys, which usually featured props such as wreaths or amphoras, suggesting a setting in the Greece or Italy of antiquity. From a modern standpoint, his work is commendable due to his controlled use of lighting as well as the often elegant poses of his models. His innovations include the use of photographic filters and special body makeup to disguise skin blemishes.

Aurel Voss was a German mathematician, best known today for his contributions to geometry and mechanics. He served as president of the German Mathematical Society for the 1898 term. He was a professor at the University of Munich during 1902–1923. He became Emeritus in 1923.

Karl Wilhelm Valentiner was a German astronomer.

Commander Sir Arthur Trevor Dawson, 1st Baronet was an English businessman who served as managing director of the armaments giant Vickers from 1906 to 1931.

Richard Wettstein was an Austrian botanist. His taxonomic system, the Wettstein system was one of the earliest based on phyletic principles.