Who First Named Physics Observers Alice and Bob?

  • Context: Undergrad 
  • Thread starter Thread starter ohwilleke
  • Start date Start date
  • Tags Tags
    education
Click For Summary

Discussion Overview

The discussion centers around the origins of the naming convention for hypothetical observers in physics, specifically the use of "Alice" and "Bob." Participants explore the history and attribution of this practice.

Discussion Character

  • Exploratory, Historical

Main Points Raised

  • One participant notes that "Alice" and "Bob" are commonly used names in physics education for hypothetical observers.
  • Another participant provides a link to a Wikipedia article that may contain relevant historical information.
  • It is mentioned that "Charles" (or "Chucky") is also used in some scenarios involving hypothetical observers.
  • A participant references an XKCD comic that may relate to the topic, suggesting a cultural aspect to the naming convention.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the exact origin of the naming convention or who was responsible for it. Multiple viewpoints and references are presented without resolution.

Contextual Notes

The discussion lacks specific historical citations or detailed accounts of the naming convention's development, leaving some assumptions and dependencies on external sources unaddressed.

ohwilleke
Gold Member
Messages
2,669
Reaction score
1,638
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?
 
Physics news on Phys.org
There also is Charles (Chucky) as well in some scenarios.
 
  • Like
Likes   Reactions: ohwilleke

Similar threads

  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 26 ·
Replies
26
Views
3K
  • · Replies 33 ·
2
Replies
33
Views
3K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 2 ·
Replies
2
Views
1K
  • · Replies 31 ·
2
Replies
31
Views
3K
  • · Replies 13 ·
Replies
13
Views
2K
  • · Replies 51 ·
2
Replies
51
Views
8K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 67 ·
3
Replies
67
Views
6K