André Citroën

André-Gustave Citroën (French: [ɑ̃dʁe ɡystav sitʁɔɛn]; 5 February 1878 – 3 July 1935) was a French industrialist and freemason of Dutch and Polish Jewish origin. He is remembered chiefly for the make of car named after him, but also for his application of double helical gears.