Source note

SAINT-MARTIN (Louis-Claude de), called the "Unknown Philosopher," was born on the 18th of January, 1743, at Amboise, and died October 13, 1803; he was very often received at Clochegourde by Madame de Verneuil, an aunt of Madame de Mortsauf, who knew him there. At Clochegourde, Saint-Martin superintended the publication of his last books, which were printed at Letourmy's in Tours. [The Lily of the Valley.]