2001: A Space Odyssey (film) science-fiction films of the time, Kubrick used Homers "The Odyssey" as inspiration for the title. Kubrick said, "It occurred to us that for the Greeks the vast stretches of the sea must have had the same sort of mystery and remoteness that space has for our generation." Kubrick and Clarke planned to develop the first, free of the constraints of film, and then write the screenplay. They planned the writing credits to be "Screenplay by Stanley Kubrick and Arthur C. Clarke, based on a novel by Arthur C. Clarke and Stanley Kubrick" to reflect their preeminence in their respective fields.
2001: A Space Odyssey (novel) and Bowman are directed to disconnect Hal for analysis. These instructions are interrupted as the signal is broken, and Hal informs them that the AE-35 unit has malfunctioned. As Poole is removing the unit he is killed when his pod accelerates into him, crushing him. Bowman, uncertain of Hal's role therein, decides to wake the other three astronauts, and therefore quarrels with Hal, with Hal refusing to obey his orders. Bowman threatens to disconnect him if his orders are not obeyed, and Hal relents. As Bowman begins to awaken his colleagues, he hears Hal open both airlocks into space, releasing