Lecture 1.1.: Emerging, History & Justifications of Open Science (Olivier Le Gall) In this lecture, Olivier Le Gall articulates the foundational principles of Open Science. The initial segment of the lecture addresses the rationale for opening science and provides a comprehensive overview of its concept. The subsequent segment delves into the core values and guiding principles underpinning Open Science. Finally, the concluding segment elucidates the anticipated social benefits derived from the implementation of Open Science