[15] A study group called ‘Research On the Origin of Historical Techniques’, under the acronym ROOHTS, was established in 2018. The aims of ROOHTS were to acquire and further disseminate the theoretical knowledge and practical knowhow related to historical art technical sources and sources by heritage education and a broad audience. On the exhibition, see also the contributions by Claudy Jongstra and Samuel Mareel & Marijke Wienen elsewhere in this volume.