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What science fiction writer wrote the three laws of robotics?

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December 26, 2011 9:25PM

Isaac Asimov was the author of the Three Laws of Robotics. These are:

1. A robot may not injure a human being or, through inaction, allow a human being to come to harm.

2. A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law.

3. A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.

He added a fourth later:

0. A robot may not harm humanity, or, by inaction, allow humanity to come to harm.

You'll notice the numbering is odd. Asimov termed the fourth law the zeroth law, intending it to precede all the others.