Al Christie
Alfred Ernest Christie( 23 October 1881 – 14 April 1951) was a Canadian- born film director, producer, and screenwriter.
Richard Eichberg
Richard Eichberg( 27 October 1888 – 8 May 1953) was a German film director and producer.
He directed 87 films between 1915 and 1949.
He also produced 77 films between 1915 and 1950.
He was born in Berlin, Germany and died in Munich, Germany.
Know Thy Child
Know Thy Child is a 1921 Australian silent film directed by Franklyn Barrett.
It is considered a lost film.
Ben Palmer
Ben Palmer is a British film and television director who is known for being the director of" Bo' Selecta" and" The Inbetweeners".
Scotty Fox
Scott Fox is a pornographic film director who is a member of the AVN Hall of Fame.
The Flight of Arno Jessen
The Flight of Arno Jessen( German: Die Flucht des Arno Jessen) is a 1918 German silent film directed by Richard Eichberg and starring Ernst Rückert, Eva Speyer and Hermann Seldeneck.
Elliot Silverstein
Elliot Silverstein( born August 3, 1927, in Boston, Massachusetts) is an American director, who is best known for being the director of the movie" Cat Ballou"( 1965).
Know Thy Wife
Know Thy Wife is a surviving 1918 silent comedy short film starring Dorothy Devore and produced by Al Christie.
The Flight of Mr. McKinley
The Flight of Mr. McKinley is a 1975 Soviet science fiction film directed by Mikhail Schweitzer.
El vuelo de la muerte
El vuelo de la muerte(" The Flight of Death") is a 1934 Mexican film.
It stars Sara García.

Question: Which film has the director who is older than the other, Know Thy Wife or The Flight of Arno Jessen? 
Answer: Know Thy Wife