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A hundred years of the first experimental test of general relativity


Einstein’s general theory of relativity is one of the most important accomplishments in the history of science. We reassess the importance of one of the expeditions that made its experimental verification possible — a story that involves a sense of adventure and scientific ingenuity in equal measure.

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Fig. 1: Telescopes mounted in Sobral, Brazil, in 1919.
Fig. 2: Cover of the newspaper Estado do Pará, published in Belém, on 20 April 1919, containing a translation of the article signed by Crommelin and Davidson.
Fig. 3: British, North American and Brazilian parties at Sobral.
Fig. 4: Page of the 22 November 1919 edition of The Illustrated London News.


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Correspondence to Luís C. B. Crispino.

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Crispino, L.C.B., Kennefick, D.J. A hundred years of the first experimental test of general relativity. Nat. Phys. 15, 416–419 (2019).

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