In 1942, when Dior left the army, he joined the fashion house of Lucien Lelong, where he and Balmain were the primary designers. For the duration of World War II, Dior, as an employee of Lelong – who labored to preserve the French fashion industry during wartime for economic and artistic reasons – in attempts to preserve the fashion industry during the war, Dior designed dresses for the wives of Nazi officers and French collaborators, as did other fashion houses that remained in business during the war, including Jean Patou, Jeanne Lanvin, and Nina Ricci. His sister, Catherine (1917–2008), served as a member of the French Resistance, was captured by the Gestapo, and sent to the Ravensbrück concentration camp, where she was incarcerated until her liberation in May 1945. In 1947, he named his debut fragrance, "Miss Dior" in tribute to his sister.