Website 2022 - 09 - 16: UPDATE 2021 - 04 - 18: almost everything updated 2019 - 03 - 19: work > graphic and painting section updated 2018 - 08 - 26: Update 2017 - 11 - 06: work > painting section updated 2017 - 08 - 27: work > action section updated 2017 - 01 - 04: now on instagram @rueterbories 2016 - 08 - 30: Painting, graphic, music & photography section updated 2016 - 02 - 02: ZERO INFINITY > now avaliable on iTunes: check the music section! 2015 - 10 - 17: Huge update ++additional content ++ 2015 - 10 - 15: Exhibition sight: Diplomausstellung 2015 - 04 - 04: HfBK Defender FAQ added (about > hfbk defender)