“ Montyon died on the 29th of December 1820, bequeathing 10,000 francs for the perpetual endowment of each of the following prizes: for the discovery of the means of rendering some mechanical process less dangerous to the Workman; for the perfecting of any technical improvement in a mechanical process; for the book which during the year rendered the greatest service to humanity; the “prix de vertu” for the most courageous act on the part of a poor Frenchman—the awards being left as before to the learned academies. ”

“ He was made a councillor of state in 1775 by the influence of Louis de Bourbon, duke of Penthievre, and in 1780 he was attached to the court in the honorary office of chancellor to the comte d’Artois (afterwards Charles X.) . He followed the princes into exile, and lived for some years in London. ”