Group portrait of attendees to Institut International de Physique Solvay (1933)

Group photograph of the scholars who attended the seventh Institut International de Physique Solvay, which was held in Brussels, Belgium, from October 22-29, 1933. Seated (left to right): Erwin Schrödinger, Irène Joliot-Curie, Niels Henrik David Bohr, Abram Ioffe, Marie Curie, Paul Langevin, Owen Willans Richardson, Lord Ernest Rutherford, Theophile de Donder, Maurice de Broglie, Louis de Broglie, Lise Meitner, James Chadwick. Standing (left to right): Émile Henriot, Francis Perrin, Frederic Joliot, Werner Heisenberg, Hendrik Anthony Kramers, Ernst Stahel, Enrico Fermi, Ernest Thomas Sinton Walton, Paul Dirac, Peter Joseph William Debye, Nevill Francis Mott, Blas Cabrera, George Gamow, Walther Bothe, Patrick Blackett, M.S. Rosenblum, Jacques Errera, Ed. Bauer, Wolfgang Pauli, Jules-Émile Verschaffelt, M. Cosyns, Edouard Herzen, John Douglas Cockcroft, Charles Drummond Ellis, Rudolf Peierls, Auguste Piccard, Ernest O. Lawrence, Leon Rosenfeld.