1927. Quinto
Electrones y fotones
Piccard, Henriot, Ehrenfest, Herzen, De Donder, Schrödinger, Verschaffelt, Pauli, Heisenberg, Fowler, L.Brillouin
Debye, Knudsen, Bragg, Kramers, Dirac, Compton, L.de Broglie, Born, Bohr
Langmuir, Planck, Curie, Lorentz, Einstein, Langevin, Guye, Wilson, Richardson