Niels Bohr Institute

In the spring of 1916, Bohr was offered a new professorship at the University of Copenhagen; dedicated to theoretical physics, it was the second professorship in physics there. As physics was still pursued in the cramped quarters of the Polytechnic Institute,…

…accepted a fellowship at the Niels Bohr Institute of Theoretical Physics in Copenhagen and then joined the faculty of the Nordic Institute for Theoretical Nuclear Physics there; he subsequently became a naturalized Danish citizen.