Cause of death: heart attack
Christian Ernest Dior (French: [kʁistjɑ̃ djɔʁ]; 21 January 1905 – 24 October 1957) was a French fashion designer and founder of one of the world's top fashion houses, Christian Dior SE. His fashion house is known all around the world, having gained prominence "on five continents in only a decade."
Dior's skills led to his employment and design for various fashion icons in attempts to preserve the fashion industry during World War II. After the war, he founded and established the Dior fashion house, with his collection of the "New Look". In 1947, the collection debuted featuring rounded shoulders, a cinched waist, and very full skirt. The New Look celebrated ultra-femininity and opulence in women's fashion.
Throughout his lifetime, he won numerous awards for Best Costume Design. He died in 1957.
Source : Wikipedia