The LouRIM Research Report 2019 covers the period of January to December 2019 and presents our research projects, publications and seminar activities. For those who consult it from outside, this report is the opportunity to discover the richness and quality of the work carried out by our members. For our members this report is an opportunity to take the time to step back and examine the activities developed during the past year, to identify the main lines that emerge and assess their relevance with regard to the development project desired by the institute, but also to celebrate accomplishments! Enjoy the reading!