Hungarian astronaut Bertalan Farkas, the first Esperantist in space

In 1921 the French Academy of Sciences recommended using Esperanto for international scientific communication.Charlie Chaplin film The Great Dictator (1940) showed Jewish ghetto shop signs in Esperanto. Two full-length feature films have been produced with dialogue entirely in Esperanto: Angoroj, in 1964, and Incubus, a 1965 B-movie horror film which is also notable for starring William Shatner shortly before he began working on Star Trek. In Captain Fantastic (2016) there is a dialogue in Esperanto. Finally, Mexican film director Alfonso Cuarón has publicly shown his fascination for Esperanto,[135] going as far as naming his film production company Esperanto Filmoj ("Esperanto Films").