(p. 367) If one secret to sustaining an inventive culture was making inventors into national heroes, it was a secret that didn’t translate well into French. Between 1740 and 1780, the French inclination to reward inventors not by enforcing a natural right but by the grant of pensions and prizes resulted in the award of nearly 7 million livres–approximately $600 million today–to inventors of largely forgot-(p. 268)ten devices, but Claude-François Jouffroy d’Abbans (inventor of one of the first working steamboats), Barthélemy Thimonnier (creator of the first sewing machine), and Airné Argand (a partner of Boulton and friend of Watt whose oil lamp became the world’s standard) all died penniless.
Source:
Rosen, William. The Most Powerful Idea in the World: A Story of Steam, Industry, and Invention. New York: Random House, 2010.