He studied at the University of Leiden, and entered the Dutch diplomat service, being appointed to the legation at Madrid. Under King Louis Napoleon he was secretary-general for foreign affairs, bi resigned office on the annexation of the Batavian republic of France. He took a leading part in the revolt of 1813 again French domination, and had a considerable share in the organization of the new kingdom of the Netherlands. As minister of education under William I he reorganized the universities Ghent, Louvain and Liege and the Royal Academy of Brussel Side by side with his activities in education he directed the departments of trade and the colonies.
Falck was called Holland the kings good genius, but William I. presently tire of his counsels and he was superseded by Van Maanen. He was ambassador in London when the disturbances of 1830 convince him of the necessity of the separation of Belgium from Hollan~ He consequently resigned his post and lived in close retiremet until 1839, when he became the first Dutch minister at the Belgia court. He died at Brussels on the 16th of March 1843. Besides some historical works he left a correspondence of considerab political interest.