Hermann Warm was a German art director for films. Born on 1889 in Berlin, Germany, Warm was an important figure in the expressionist movement

Expressionism

Expressionism was a modernist movement, initially in poetry and painting, originating in Germany at the beginning of the 20th century. Its typical trait is to present the world solely from a subjective perspective, distorting it radically for emotional effect in order to evoke moods or ideas...

 of the 1920s. Warm entered the German film

Cinema of Germany

Cinema in Germany can be traced back to the late 19th century. German cinema has made major technical and artistic contributions to film.Unlike any other national cinemas, which developed in the context of relatively continuous and stable political systems, Germany witnesses major changes to its...

 industry in 1912 after working on-stage for a while. As well as doing set work with on films such as The Cabinet of Dr. Caligari

The Cabinet of Dr. Caligari

The Cabinet of Dr. Caligari is a 1920 silent horror film directed by Robert Wiene from a screenplay by Hans Janowitz and Carl Mayer. It is one of the most influential of German Expressionist films and is often considered one of the greatest horror movies of the silent era. This movie is cited as...

and Fritz Lang

Fritz Lang

Friedrich Christian Anton "Fritz" Lang was an Austrian-American filmmaker, screenwriter, and occasional film producer and actor. One of the best known émigrés from Germany's school of Expressionism, he was dubbed the "Master of Darkness" by the British Film Institute...

's Destiny, Warm also worked with Danish film director

Film director

A film director is a person who directs the actors and film crew in filmmaking. They control a film's artistic and dramatic nathan roach, while guiding the technical crew and actors.-Responsibilities:...

 Carl Theodor Dreyer

Carl Theodor Dreyer

Carl Theodor Dreyer, Jr. was a Danish film director. He is regarded by many critics and filmmakers as one of the greatest directors in cinema.-Life:Dreyer was born illegitimate in Copenhagen, Denmark...

 on films including The Passion of Joan of Arc

The Passion of Joan of Arc

The Passion of Joan of Arc is a silent film produced in France in 1928. It is based on the record of the trial of Joan of Arc. The film was directed by Carl Theodor Dreyer and stars Renée Jeanne Falconetti...

and Vampyr

Vampyr

Vampyr is a 1932 horror film directed by Danish director Carl Theodor Dreyer. The film was written by Dreyer and Christen Jul based on elements from J. Sheridan Le Fanu's collection of supernatural stories In a Glass Darkly. Vampyr was funded by Nicolas de Gunzburg who starred in the film under...

. During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, Warm lived in Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

and returned to Germany in 1947.