ENGBenjamin Croupie, BruxellesParticipants of the 5th Solvay CongressPersonalities and HistoryPAULI-ARCHIVE-PHO-016<HTML>1st line. l.to r. : I Langmeir, M Planck, M Curie, H A Lorentz, A Einstein, P Langevin, Ch E Guye, C T R Wilson, O W Richardson<BR> 2nd line l.to r. : P Debye, M Knudesen, W L Bragg, H A Kramers, P A M Dirac, A H Compton, L V De Broglie, M Born, N Bohr<BR>3rd line, l. to r. : A Piccard, E Henriot, P ehrenfest, E Herzen, Th De Donder, E Schroendinger, E Verschaffelt, W Pauli, w Heisenberg, R H Fowler</BR>1927http://cds.cern.ch/record/42983http://cds.cern.ch/record/42983oai:cds.cern.ch:42983