His palace was the centre of all that was best in the literary and learned society of the capital.
He was a member of almost every learned society in Europe, and one of the first mathematicians of a mathematical age.
Like his father, he was a member of almost every learned society of Europe, and he succeeded him as foreign associate of the Academy of Paris.
He was a member of every important learned society in Europe; he was a member, and one of the managers, of the Royal Society, and was one of eight foreign members of the Royal Academy of Sciences in Paris.
His intimate relations with Ronsard were not renewed; but he formed a close friendship with the scholar Jean de Morel, whose house was the centre of a learned society.