Thomas Hoepker, renowned German photographer, dies at 88

The photographer was known for defining images of Muhammad Ali, the Berlin Wall and the fall of the Twin Towers in 2001

Thomas Hoepker, the renowned German photographer has died at the age of 88.

He was known for his pictures of Muhammad Ali, the Berlin Wall, and a controversial image of onlookers in Brooklyn seemingly unbothered by the smoke of the Twin Towers on 9/11 in the distance. His death was confirmed by Magnum Photos, the international photography collective that began publishing his photos in 1964 and which he joined in 1989. No cause of death was given.