Designers, retailers and fans have taken to social media to mourn the death of legendary shoe designer Vince Camuto. The fashion icon, 78, died this week. Hewas remembered by close friends and contemporaries, who praised his contributions tothe footwear industry.Camuto, who cofounded Nine West, receivedmoving tributes from Jessica Simpson, who called him my mentor, my family, Ivy Kirzhner, Kenneth Coleand Joyce Azria....