Kiriakos Tompolidis has set up shop in Museum Folkwang. In The Quiet Hour one steps into a kind of room long lived in; there, the artist, a native of Essen (born in 1997) toys with fragments from his memory. He has produced seven paintings specially for the exhibition, and in terms of content art history references and personal memories overlap, while formally speaking photographical elements meld with painting. Sleep without …