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Copyrighted This material is provided for private study, scholarship, or research. Transmission or reproduction of any material protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. The authors or their heirs retain their copyrights to the material. Unless otherwise indicated, the original files were donated to the American Institute of Physics (https://history.aip.org/ead/20130435.html). For permission to publish, contact Jeffrey A. Barrett, representative for the Everett estate, j.barrett@uci.edu.
Description
Scope/Content: Among Hugh Everett's files were a number of handwritten documents related to the writing of his thesis. Some of them were early notes on ideas and material that ultimately appeared in the long thesis. This document, entitled "The problem of the interrelationship of several observers" by Everett, was found in a file labeled "Random notes". It describes a very early version of the Wigner's friend thought experiment. Scope/Content: This document was found in the basement of Mark Everett in 2007 by Mark Everett and Peter Byrne, in a file labelled "Random notes."
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