Interpretations of 2001: A Space Odyssey onto it all manner of ideas relating to the film. The Monolith in the movie seems to represent and even trigger epic transitions in the history of human evolution, evolution of man from ape-like beings to civilised people, hence the odyssey of mankind. Vincent LoBrutto's biography of Kubrick notes that for many, Clarke's novel is the key to understanding the monolith. Similarly, Geduld observes that "the monolith ...has a very simple explanation in Clarke's novel", though she later asserts that even the novel does not fully explain the ending. "Rolling Stone" reviewer Bob McClay sees the film as a four-movement
2001: A Space Odyssey (film) Times" wrote that it was "somewhere between hypnotic and immensely boring." "Variety"'s 'Robe' believed the film was a "[b]ig, beautiful, but plodding sci-fi epic ... A major achievement in cinematography and special effects, "2001" lacks dramatic appeal to a large degree and only conveys suspense after the halfway mark." Andrew Sarris called it "one of the grimmest films I have ever seen in my life ... "2001" is a disaster because it is much too abstract to make its abstract points." (Sarris reversed his opinion upon a second viewing, and declared, ""2001" is indeed a major work by a major