 The studio behind "Nosferatu", Prana Film, was a short-lived silent-era German film studio founded in 1921 by Enrico Dieckmann and occultist-artist Albin Grau, named for the Hindu concept of "prana".Although the studio's intent was to produce occult- and supernatural-themed films, "Nosferatu" was its only production, as it declared bankruptcy in order to evade copyright infringement suits from Bram Stoker's widow Florence Balcombe.Grau had had the idea to shoot a vampire film, the inspiration of which had risen from a war experience