![Ernst Hafen on Twitter: "Beim Chef II von Roman Signer Kunst kann so erheiternd sein https://t.co/8keEF3Ik2Q? defId=6&publicationDate=2018-05-19&newspaperName=Neue%20Z%C3%BCrcher%20Zeitung&pageNo=42&articleId=231534620&signature ... Ernst Hafen on Twitter: "Beim Chef II von Roman Signer Kunst kann so erheiternd sein https://t.co/8keEF3Ik2Q? defId=6&publicationDate=2018-05-19&newspaperName=Neue%20Z%C3%BCrcher%20Zeitung&pageNo=42&articleId=231534620&signature ...](https://pbs.twimg.com/media/Ddio-jDW4AAw6lY.jpg)
Ernst Hafen on Twitter: "Beim Chef II von Roman Signer Kunst kann so erheiternd sein https://t.co/8keEF3Ik2Q? defId=6&publicationDate=2018-05-19&newspaperName=Neue%20Z%C3%BCrcher%20Zeitung&pageNo=42&articleId=231534620&signature ...
![Swiss explosion artist Roman Signer will speak Saturday at the Cleveland Museum of Art - without detonations - cleveland.com Swiss explosion artist Roman Signer will speak Saturday at the Cleveland Museum of Art - without detonations - cleveland.com](https://advancelocal-adapter-image-uploads.s3.amazonaws.com/image.cleveland.com/home/cleve-media/width2048/img/ent_impact_arts/photo/signer-burostuhl-2006jpg-b5047133a8713980.jpg)