This report was the ruin of Mesmer’s reputation in France. He quitted Paris shortly after, with the three hundred and forty thousand francs which had been subscribed by his admirers, and retired to his own country, where he died in 1815, at the advanced age of eighty-one. But the seeds he had sown fructified of themselves, nourished and brought to maturity by the kindly warmth of popular credulity. Imitators sprang up in France, Germany, and England, more extravagant than their master, and claiming powers for the new science which its founder had never dreamt of. Among others, Cagliostro made good use of the delusion in extending his claims to be considered a master of the occult sciences. But he made no discoveries worthy to be compared to those of the Marquis de Puysegur and the Chevalier Barbarin, honest men, who began by deceiving themselves before they deceived others.
The Marquis de Puysegur, the owner of a considerable estate at Busancy, was one of those who had entered into the subscription for Mesmer. After that individual had quitted France, he retired to Busancy, with his brother, to try animal magnetism upon his tenants, and cure the country people