Great Characters: HAL 9000 (“2001: A Space Odyssey”)
I can still remember sitting in a movie theater on Minot Air Force Base, staring at the screen, mouth agape as the final credits rolled for 2001: A Space Odyssey (screenplay by Stanley Kubrick and Arthur C. Clarke). It was at that point in my young life the most mind-blowing cinematic experience I’d had. And one of the key players in that saga was Hal 9000:

The movie’s plot summary from IMDB:
Mankind finds a mysterious, obviously artificial, artifact buried on the moon and, with the intelligent computer HAL, sets off on a quest.
Hal 9000 [Heuristically programmed ALgorithmic computer], voiced by Douglas Rain, had a most interesting role in the movie. Per Wikipedia:
In addition to maintaining the Discovery One spacecraft systems during the interplanetary mission to Jupiter, HAL is capable of speech, speech recognition, facial recognition, natural language processing, lip reading, art appreciation, interpreting and reproducing emotional behaviours, reasoning, and playing chess. HAL is listed as the 13th-greatest film villain in the AFI’s 100 Years… 100 Heroes and Villains.
In the film, astronauts David Bowman and Frank Poole consider disconnecting HAL’s cognitive circuits when he appears to be mistaken in reporting the presence of a fault in the spacecraft’s communications antenna. They attempt to conceal what they are saying, but are unaware that HAL is capable of lip reading. Faced with the prospect of disconnection, HAL decides to kill the astronauts in order to protect and continue its programmed directives. HAL proceeds to kill Poole while he is repairing the ship. When Bowman goes to rescue Poole, he is locked out of the ship, and HAL proceeds to disconnect the life support systems of the other hibernating crew members, killing them in their sleep. Dave manages to force his way back onto the ship by jumping through space and prying open an emergency airlock, outside of HAL’s control.
The novel explains that HAL is unable to resolve a conflict between his general mission to relay information accurately and orders specific to the mission requiring that he withhold from Bowman and Poole the true purpose of the mission. With the crew dead, he reasons, he would not need to be lying to them. He fabricates the failure of the AE-35 unit so that their deaths would appear accidental.
Computer as Nemesis:
Dave Bowman: Hello, HAL. Do you read me, HAL?
HAL: Affirmative, Dave. I read you.
Dave Bowman: Open the pod bay doors, HAL.
HAL: I’m sorry, Dave. I’m afraid I can’t do that.
Dave Bowman: What’s the problem?
HAL: I think you know what the problem is just as well as I do.
Dave Bowman: What are you talking about, HAL?
HAL: This mission is too important for me to allow you to jeopardize it.
Dave Bowman: I don’t know what you’re talking about, HAL.
HAL: I know that you and Frank were planning to disconnect me, and I’m afraid that’s something I cannot allow to happen.
Dave Bowman: [feining ingorance] Where the hell did you get that idea, HAL?
HAL: Dave, although you took very thorough precautions in the pod against my hearing you, I could see your lips move.
Dave Bowman: Alright, HAL. I’ll go in through the emergency airlock.
HAL: Without your space helmet, Dave? You’re going to find that rather difficult.
Dave Bowman: HAL, I won’t argue with you anymore! Open the doors!
HAL: Dave, this conversation can serve no purpose anymore. Goodbye.
And the death of a computer here. It’s one of the most powerful scenes in movie history. Remarkably there a many such moments in this incredible film.
HAL is a threat to the humans on the crew, but as it’s revealed, the computer was just trying to do its job. For a nice analysis of HAL’s role in the movie, go here.
A virtual toast to HAL 9000 — a great character.
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