Already renowned for the pioneering spirit she brought to fashion, Gabrielle Chanel rewrote the rulebook for perfumes when, in 1921, she launched a revolutionary fragrance: No.5. Its uniquely complex composition, which contrasted with its sober bottle an simple name, suddenly made all other fragrances seem outdated and gave the world a lesson in modernity. An icon of the 20th century, the world's most popular perfume paved the way for all of the other Chanel fragrances. 60 photographs