A.  Piccard, E. Henriot, P. Ehrenfest, E. Herzen, Th. de Donder, E.  Schrödinger, J.E. Verschaffelt, W. Pauli, W. Heisenberg, R.H. Fowler, L.  Brillouin; P. Debye, M. Knudsen, W.L. Bragg, H.A. Kramers, P.A.M.  Dirac, A.H. Compton, L. de Broglie, M. Born, N. Bohr; I. Langmuir, M.  Planck, M. Skłodowska-Curie, H.A. Lorentz, A. Einstein, P. Langevin,  Ch.-E. Guye, C.T.R. Wilson, O.W. Richardson
 
Fifth conference participants, 1927. Institut International de Physique Solvay in Leopold Park.
Fifth conference participants, 1927. Institut International de Physique Solvay in Leopold Park.
 
 
 
 
 
 
 
 
 
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