Who’s got the last laugh now?
One of the bitterest and most famous of the many quarrels that Voltaire was involved in during his long life was the one that pitted him against Maupertuis from 1752 onwards. The quarrel started while both men were living at Frederick the Great’s court, Maupertuis as the president of the Académie de Berlin and Voltaire as Frederick’s personal guest.
The details of the dispute itself are too intricate to be exposed here but can be found in Voltaire’s Histoire du docteur Akakia, a collection of texts which were both a response to and a continuation of this quarrel. The dispute eventually saw the king of Prussia himself intervene on behalf of the president of his Académie, and damaged almost irreparably the friendship between Voltaire and his crowned admirer. The quarrel also seriously damaged Maupertuis’s reputation as a scientist, as Voltaire conducted a relentless campaign of denigration aimed at both his enemy’s character and writings, which continued well after his foe’s demise in 1759.
The wit and sarcasm deployed by Voltaire against Maupertuis overshadowed the latter’s undeniable contribution to the scientific advances of his century and the visionary aspect of some of his writings. Among Voltaire’s recurring targets for mockery is the idea proposed by the scientist that drilling a hole to the centre of the Earth would be of enormous interest to science. For all of Voltaire’s scathing gibes at what he repeatedly described as the fanciful notions of a madman, modern science has now vindicated the much-maligned Maupertuis, not his formidable detractor, as can be seen in an article published in The New Scientist. Similarly, the hypothesis that some celestial bodies might contain diamonds which the scientist formulated in his Œuvres and which Voltaire dutifully ridiculed does not sound that far-fetched to modern-day astronomers.
No doubt Maupertuis would have welcomed these new developments, more than two and a half centuries after his scientific intuitions were so mercilessly and relentlessly mocked by Voltaire.
 in his Œuvres de M. de Maupertuis (1752).
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