Karl Lagerfeld’s legacy for the Opera

The fashion designer Karl Lagerfeld, who brought a flagging brand called Chanel back to life in the early 1980s and turned it into one of the most powerful luxury brands in the world, has died on February 19. Famous for his dark sunglasses, snowy ponytail, and black suits, Lagerfeld was prolific, seemingly indefatigable. At the end of…