The Paternity of Alice and Bob

  • #1
ohwilleke
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It is now a common trope in physics education to name the first two observers of a hypothetical physical system Alice and Bob (i.e. person A and person B).

When did this practice originate and who was responsible for it?
 

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  • #3
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There also is Charles (Chucky) as well in some scenarios.
 
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Ibix
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