Martin Rosen is a British film director and producer. Rosen started as the producer of "A Great Big Thing" in 1968 and later co-produced Ken Russell's film version of "Women in Love" (1969). He made his directorial debut in "Watership Down" in 1978, which he also produced and wrote. This is the first novel by Richard Adams he has adapted. He also adapted "The Plague Dogs", in 1982. Wikipedia
The definitive Wikipedia entry for Martin Rosen. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Martin_Rosen_%28director%29