How Did Sonia Rykiel Die?

Sonia Rykiel was a French fashion designer and writer. She created the Poor Boy Sweater, which was featured on the cover of French Elle magazine. Her knitwear designs and new fashion techniques led her to be dubbed the "Queen of Knits". The Sonia Rykiel label was founded in 1968, upon the opening of her first store, making clothing, accessories, and fragrances. Rykiel was also a writer, and her first book was published in 1979.