What was the institution headed by "The Last Universalist" during the 19th century charged with?
Bureau des Longitudes: The Bureau des Longitudes (] ) is a French scientific institution, founded by decree of 25 June 1795 and charged with the improvement of nautical navigation, standardisation of time-keeping, geodesy and astronomical observation. Bureau des Longitudes:  During the 19th century, it was responsible for synchronizing clocks across the world. Henri Poincaré:  He is often described as a polymath, and in mathematics as "The Last Universalist" by Eric Temple Bell, since he excelled in all fields of the discipline as it existed during his lifetime.
the improvement of nautical navigation