Men and women who work on experiments, or in universities, as researchers or technologists, IT experts who ensure the operation and security of telematics and data infrastructures, technicians working in workshops that build technologies for experimental apparatus, and technology transfer experts who promote synergy between research and the Italian production system. As well as administrative staff involved in the management of research projects and services associated with research, professionals involved in funding management, recruitment and training, and logistics staff. But also people working in the secretariats and offices of the many Infn offices, present in 17 Italian regions with sections, centres and national laboratories and related groups. And finally, communication and public engagement experts whose mission is to disseminate the fascinating latest news, and history, of research to the public, schools and society at large.