Yves Saint Laurent, commonly known as YSL, was a French fashion designer who was widely regarded as one of the greatest names in fashion history. He was born in 1936 and founded his own fashion house in 1961. His designs were revolutionary and he is credited with popularizing the wearing of trousers by women. He also created the iconic tuxedo suit for women. Laurent was the first living fashion designer to be honored by the Metropolitan Museum of Art in 1983. He passed away in 2008.