In order to make our selection of 30 of the most influential fashion designers of all time, 24/7 Wall St. compiled a list of individuals who have made a significant impact on the fashion world. We reviewed fashion industry sources, media reports to determine our list. Some of the fashion designers who have had an outsized influence on the industry continue to have an impact on fashion, while legends such as Jeanne Lanvin and Coco Chanel live on through their products.