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Louis Rosier

French racing driver

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 25, 2026
Entity authorityQ173078
Source-derived summary

Louis Claude Rosier (French pronunciation: [lwi ʁozje]; 5 November 1905 – 29 October 1956) was a French racing driver and motorsport executive, who competed in Formula One from 1950 to 1956. In endurance racing, Rosier won the 24 Hours of Le Mans in 1950 in a privateer Talbot-Lago T26C-GS.

Rosier competed in Formula One under his own Écurie Rosier banner, making privateer entries in machinery from Talbot-Lago, Ferrari, and Maserati; he also competed for the works teams of Talbot and Maserati, the former of which he scored back-to-back podium finishes with at the Swiss and Belgian Grands Prix in 1950.

Rosier competed in nine editions of the 24 Hours of Le Mans between 1938 and 1956, winning in 1950 alongside his son Jean-Louis Rosier, which remains the only father-and-son victory in Le Mans history. In October 1956, Rosier died as a result of injuries sustained whilst sportscar racing in a Ferrari 750 Monza at Montlhéry.

Career highlights

Rosier was born on 5 November 1905 in Chapdes-Beaufort, Puy-de-Dôme, France.

Rosier participated in 38 Formula One World Championship Grands Prix, debuting on 13 May 1950. He achieved two podiums, and scored a total of 18 championship points. He won the Dutch Grand Prix twice in consecutive years between 1950 and 1951, the Circuit d'Albi, Grand-Prix de l'Albigeois and the 24 Hours of Le Mans with his son Jean-Louis Rosier. Rosier owned the Renault dealership of Clermont-Ferrand.

In 2016, in an academic paper that reported a mathematical modeling study that assessed the relative influence of driver and machine, Rosier was ranked the 19th best Formula One driver of all time.

Editorial summary

The public source identifies “Louis Rosier” as french racing driver. This brief keeps that definition visible, then builds a research path around Louis, Rosier and French.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—1905, 1956, 1950, 1938—that can be checked directly. The linked authority record independently contributes the date 1905-11-05. Its value is orientation rather than verdict, with Louis, Rosier and French providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Louis Rosier”, the useful work is to connect “french racing driver” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 25, 2026. The linked authority identifier is Q173078. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1905, 1956, 1950 and 1938.

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The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from Louis Rosier” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.