File:Relief1-5000.jpgrelief of Nobel Prize winners at the Niels Bohr Institute. Four physicists, Niels Bohr, George de Hevesy, Aage Bohr and Ben Mottelson with elements that
File:Laplace-16.jpgLaplace's "System of the World" (1809). Copy located in the Niels Bohr Library & Archives, American Institute of Physics, in College Park, Maryland.