Louis Renault (French pronunciation: [lwi ʁəno]; 12 February 1877 – 24 October 1944) was a French industrialist, one of the founders of Renault, and a pioneer of the automobile industry.
Renault built one of France's largest automobile manufacturing concerns, which still bears his name. During World War I his factories contributed massively to the war effort, notably so by the creation and manufacture of the first tank of modern configuration, the Renault FT tank.
Accused of collaborating with the Germans during World War II, he died while awaiting trial in liberated France toward the end of 1944 under uncertain circumstances. His company was seized and nationalized by the provisional government of France, although he died before he could be tried. His factories were the only ones permanently expropriated by the French government.
In 1956, Time magazine described Renault as "rich, powerful and famous, cantankerous, brilliant, often brutal, the little Napoleon of an automaking empire — vulgar, loud, domineering, impatient, he was a terror to associates, a friend to practically none," adding that to the French working man, Renault became known as "the ogre of Billancourt."
The fourth of six children born into the bourgeois Parisian family of Alfred and Berthe Renault, Louis Renault attended Lycée Condorcet. He was fascinated by engineering and mechanics from an early age and spent hours in the Serpollet steam car workshop or tinkering with old Panhard engines in the tool shed of the family's second home in Billancourt.
He built his first car in 1898, hiring a pair of workmen to modify a used 3⁄4 hp (560 W) De Dion-Bouton cycle which featured a revolutionary universally jointed driveshaft and a three-speed gearbox with reverse, with the third gear in direct drive (which he patented a year later). Renault called his car the Voiturette. On 24 December 1898, he won a bet with his friends that his invention with an innovative driveshaft could beat a car with a bicycle-like chain drive up the slope of Rue Lepic in Montmartre. As well as winning the bet, Renault received 13 definite orders for the vehicle.
Seeing the commercial potential, he teamed up with his two older brothers, Marcel and Fernand, who had business experience from working in their father's button and textiles firm. They formed the Renault Frères company on 25 February 1899. Initially, business and administration was handled entirely by the elder brothers, with Louis dedicating himself to design and manufacturing. Marcel was killed in the 1903 Paris-Madrid motor race, and in 1908, Louis Renault took overall control of the company after Fernand retired for health reasons. Fernand subsequently died in 1909.
On 26 September 1918, Renault, then aged 40, married the 21-year-old Christiane Boullaire (1897–1979), sister of French painter Jacques Boullaire. They had a son, Jean-Louis (24 January 1920 – 1982). They kept homes at 90 Avenue Foch (formerly Avenue du Bois-de-Boulogne) in Paris and a country estate near Saint-Pierre-du-Vauvray, Rouen, in the department of Eure, called the Chateau de la Batellerie à Herqueville or simply Chateau Herqueville. The Chateau fronted more than 3 km of the Seine, the entire grounds comprising 4,000 hectares. At Renault's request and expense, the small town hall of Herqueville was moved. Renault's personnel entered the residence via a tunnel.
Locations of Chateau Herqueville: 49°14′31.66″N 1°15′24.55″E
World War I, interwar period and developments
At the start of the First World War, in August 1914, in response to the then acute shortage of artillery ammunition, Renault suggested that car factories such as Renault could manufacture 75 mm shells using hydraulic presses rather than with the usual longer and costlier lathe operations. Identical methods were also used by Andre Citroën in his own factory. The resulting shells helped overcome the shortages, but as they had to be manufactured in two pieces they were inherently weak at the base thus sometimes letting hot gases detonate the melinite inside the shell. Over 600 French 75 mm guns were destroyed by premature explosions in 1915, and their crews killed or injured.
Louis Renault was decorated with the Grand Cross of the Légion d'honneur after the war for the major contribution of his factories to the war effort. His factories' mass production in 1918 of the revolutionary and highly effective Renault FT tank, which he had personally designed with Rodolphe Ernst-Metzmaier, was perhaps Renault's most significant contribution during that period.
During the interwar period, his right-wing opinions became well known, leading to various cases of labour unrest with proletarian avant-garde workers at the Boulogne Billancourt plant. He pleaded for a necessary union between European nations.
Louis Renault competed fiercely with Citroën, whom he called "le petit Juif" ("the little Jew"), growing increasingly paranoid and reclusive at the same time, and deeply concerned about the rising power of Communism and labor unions, eventually retreating to his country estate, a castle on the river Seine near Rouen.
Renault remained in complete control of his company until 1942, dealing with its rapid expansion while designing several new inventions, most of which are still in use today, such as hydraulic shock absorbers, the modern drum brake and compressed gas ignition.
World War II, arrest and death
In 1938, Renault visited Adolf Hitler and, by 1939, he had become an important supplier for the French army. When Hitler's Wehrmacht invaded France in 1940, Renault was in the U.S., having been sent by his government to ask for tanks. He returned to find the Franco-German armistice in place. Renault was faced with the choice of cooperating with the Germans and possibly forestalling them from moving his factory and equipment to Germany, which would lead to an accusation of collaboration with the enemy. He put his factories at the service of Vichy France, which meant that he was also viewed as assisting the Nazis. Over a period of four years, Renault manufactured 34,232 vehicles for the Germans. He argued that "by continuing operations he had saved thousands of workers from being transported to Germany", but, in 1942, Life described him as a "notorious Paris collaborationist".
During the occupation of France the company was under the control of the Germans, with people from Daimler-Benz in key positions. Renault himself became unpopular among members of the French resistance. The Renault factories on Île Seguin in Billancourt had become top priority targets for the bombers of the Royal Air Force (RAF) and were ultimately severely damaged on 3 March 1942. Renault's health issues worsened, including his severely diminished renal function and, in late 1942, he suffered aphasia, and became unable to speak or write.