Louis Sognot reieved his training at the Ecole Bernard-Palissy in Paris, and then gained practical experience working on the Faubourg Saint-Antoine, the area in Paris where the designers and fabricators of furniture and related home furnishings was located.
By 1920, he had become Director of Primavera -- the design studio of Printemps Department Store in Paris, a position he held until 1930.
For the 1925 Exposition des Arts Decoratifs, he designed a boudoir and bedroom for the Primavera Pavillion, and his work was already showing the influence of Cubism, with clean lines and minimalist design.
In 1928, he began a long colaboration with designer Charlotte Alix. Their style was resolutely Modernist, making use of polished, chromed metal, with accents of exotic wood.
Sognot was a founding member of the highly important UAM -- the Union des Artistes Moderne. Sognot and Alix exhibited at the Salon d'Automne in 1923, and the Salon of the Societe des Artistes Decorateurs in 1924.
Sognot recieved a major commission to design furniture for the Maharaja of Indore, and the work was shown at the 1930 Salon d'Automne, and it has become noe of the icons of France Modernist design.
In 1929, Sognot became an instructorat the Ecole des Arts Appliques and, and also at the Ecole Superior des Arts Decoratifs, where he became director in 1947.