Seventh Solvay Conference, 1933. Some of the scientists at the Seventh Solvay International Conference, Brussels, in 1933. In the front row are Irene Curie, Niels Bohr, Abram Ioffe, and Marie Curie; in the back row (from left) are Frederic Joliot, Werner Heisenberg, Hendrik Kramers, Ernst Stahel, Enrico Fermi, Ernest Walton, Paul Dirac, Peter Debye, Nevill Mott, and Blas Cabrera y Felipe. Some of the leading thinkers of the day in physics, chemistry and sociology discussed recent advances in their fields, and many of the ideas about quantum mechanics, the atom and cosmology were developed at these meetings. |