André Citroën

André-Gustave Citroën (; 5 February 1878 – 3 July 1935) was a French industrialist and freemason of Dutch and Polish Jewish origin. Citroen was the founder of the car company Citroën, and for his application of double helical gears.
Citroën was born on 5 February 1878 in the city of Paris and died from stomach cancer on 3 July 1935 in Paris, aged 57. He had graduated the École Polytechnique.