1930. Sexto
Magnetismo
Henriot, Manneback, Piccard, Gerlach, Darwin, Kramers, Van Vleck, Heisenberg
Herzen, Verschaffelt, Cotton, Errera, Stern, Dirac, Bauer, Kapitsa, L.Brillouin, Debye, Pauli, Dorfman, Fermi
De Donder, Zeeman, Weiss, Sommerfeld, Curie, Langevin, Einstein, Richardson, Cabrera, Bohr, De Haas