Louis Renault (February 15, 1877, Paris, France – October 24, 1944) was a French industrialist. He built his first car in 1898. With his brothers Marcel (1872-1903) and Fernand (1865-1909) he became a foremost automobile pioneer and founded Renault. He is one of the founding fathers of Grand Prix motor racing and invented the modern drum brake in 1902, which is still in use today. In 1944, he was arrested for industrial collaboration with Nazi Germany and died in Fresnes Prison.