Gratitude to the Sorbonne Universite faculty.

Thank you for leading Sorbonne University with a scientist's rigor and a teacher's heart, and for showing, as the first woman president of this house and now in a second term, that a computer architect can also be an architect of a great university.

Thank you for insisting, decades before it was fashionable, that machines which read our emotions must answer to our ethics, and for carrying that message from the HUMAAINE chair into France's national debates on digital ethics.

Thank you for turning the abstract beauty of control theory into trajectories that real rockets fly, and for leading the Laboratoire Jacques-Louis Lions as a home where analysis meets application.

Thank you for fifteen years of patiently leading the Quantum Optics team at Kastler Brossel, coaxing quantum fluids of light into revealing themselves and training generations of experimentalists along the way.

Thank you for modeling the most violent flashes in the universe, gamma-ray bursts seen across billions of light-years, and for co-shepherding the Paris master's program that turns students into the astrophysicists who will catch the next one.

Thank you for a career spent teaching molecules new ways to react, from radical chemistry to gold catalysis, and for carrying Sorbonne chemistry all the way to a chair at the Collège de France.

Thank you for building the numerical climate models that let humanity see its own future, for your long service to the IPCC, and for a decade leading the Institut Pierre-Simon Laplace with honesty about what the physics says.

Thank you for showing that even systems governed by partial differential equations, from canals to fluid flows, can be steered and stabilized, and for the return method that carries your name in classrooms around the world.

Thank you for treating obesity as biology to be understood rather than a character flaw to be judged, and for the discoveries in monogenic obesity and the gut microbiome that opened real therapeutic hope for patients long told there was none.

Thank you for reading the human immune system at the bedside and the bench at once, and for the i-COVID work that showed how mRNA vaccines do and do not reach our mucosal defenses when the world urgently needed to know.

Thank you for giving the literatures of Africa, the Caribbean and the Pacific their full place at the Sorbonne, and for a quarter century of stewarding Presence Africaine so those voices keep reaching the world.

Thank you for giving Venice its historian: fifteen hundred years of salt water, stone and civic ambition, reconstructed from the archives with a patience and elegance that won the European History Book Prize and the gratitude of every reader.