He remained an important factor in the film business during World War II.
One of his most unusual works might been his collaboration as a cinematographer for Hans Hass' expedition to the Galapagos Island. They worked there from 1953 to 1954.
The cinematographer Konstantin Irmen-Tschet was born as Konstantin Cetverikov in Moscow. He was adopted later and since than his name was Konstantin Irmen-Tschet.
He went to Germany at the beginning of the 20s where he soon entered the film business.
From 1925 he was employed as a cameraman in the large German film industry. In these early years he was known for his skill for filming special effects.