

A French magistrate whose monumental history of his own time became a foundational text for European scholarship and intellectual freedom.
Jacques Auguste de Thou was born into the Parisian legal elite and navigated the treacherous religious wars of 16th-century France as a high-ranking judge. His true legacy, however, was built in his library. A voracious collector, he amassed one of Europe's greatest private collections of books and manuscripts. This scholarly passion fueled his life's work: the 'Historia sui temporis,' a vast Latin history of his age written with a deliberate aim for impartiality. While his judicial career placed him at the heart of power, de Thou used his position to advocate for religious tolerance, a stance that saw his great history placed on the Catholic Church's Index of Forbidden Books. He bequeathed his legendary library to posterity, ensuring his role as a guardian of knowledge endured long after the political intrigues of his day faded.
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His personal library contained over 8,000 printed books and 1,000 manuscripts at his death.
He helped arrange the marriage of the philosopher and essayist Michel de Montaigne's daughter.
Despite his Catholic faith, his history was condemned by the Church for its Gallican and moderate views.
He was a close friend and correspondent of the English scientist and writer Francis Bacon.
“I write not for praise, but to leave a true record for future ages.”