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Article · 1921 · age 42

A Brief Outline of the Development of the Theory of Relativity


by Albert Einstein

Kept from en.wikisource.org · 1 file · 106 KBCall number EIN A1921.01

Provenance

Source
en.wikisource.org
Retrieved
1 October 2026
Source terms (summary)
Wikisource: public domain in the US, published before 1931
Rights
Likely in copyrightEnglish translation by Robert W. Lawson, who died in 1960.Basis: translator R. W. Lawson died 1960 (general knowledge), under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.
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0e36f56ca7d24b096d2f27c5e44e17cb4206a9a5f86247072079df0dd9a1d6e2sha256 of the file (64 characters). Any change to the file changes this code.
Cite as
Albert Einstein, A Brief Outline of the Development of the Theory of Relativity (1921). Long Keeping, call number EIN A1921.01. https://longkeeping.com/albert-einstein/a-brief-outline-of-the-development-of-the-theory-of-relativi/
Unchanged since collected At the last check, on 2 October 2026, all 903 originals, this work's file among them, matched the fingerprints recorded when they were collected. Each copy is re-checked by hand once a year; there is no automatic alert yet.

Notes on this copy

  • #9Saved from Wikisource without a pinned revision number; the revision is recorded inside the file itself.

Original

Held in the archive: likely in copyright.

See it at its source (another site)

Files

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FileFormatSizeSourcesha256Label
wikisource-en-A_Brief_Outline_of_the_Development_of_the_Theory_of_Relativity.htmlmain HTML 106 KB en.wikisource.org 0e36f56ca7d24b096d2f27c5e44e17cb4206a9a5f86247072079df0dd9a1d6e2 Likely in copyrightEnglish translation by Robert W. Lawson, who died in 1960.Basis: translator R. W. Lawson died 1960 (general knowledge), under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.Held in the archive: likely in copyright. Its source (another site)