Peter Demetz
Photo: Zandegan55, CC BY-SA 4.0 (resized). Source: Wikimedia Commons, commons.wikimedia.org/wiki/File:Peter_Demetz_2012_(cropped).jpg
Photo: Zandegan55, CC BY-SA 4.0 (resized). Source: Wikimedia Commons, commons.wikimedia.org/wiki/File:Peter_Demetz_2012_(cropped).jpg