Cause of death: respiratory failure
Hugh Marston Hefner (April 9, 1926 – September 27, 2017) was an American magazine publisher. He was the founder and editor-in-chief of Playboy magazine, a publication with revealing photographs and articles. Hefner extended the Playboy brand into a world network of Playboy Clubs. He also resided in luxury mansions where Playboy Playmates shared his wild partying life, fueling media interest.
Source : Wikipedia
