World's most notable physicists

Fifth Solvay International Conference, 1927.

- Standing -
A. Piccard, E. Henriot, P. Ehrenfest, Ed. Herzen, ME, Th. De Donder,
E. Schrödinger, J.E. Verschaffelt, W. Pauli, W. Heisenberg,
R.H. Fowler, L. Brillouin

- Sitting, Second Row -
P. Debye, M. Knudsen, W.L. Bragg, H.A. Kramers, P.A.M. Dirac,
A.H. Compton, L. de Broglie, M. Born, N. Bohr

- Sitting, Front Row -
I. Langmuir, M. Planck, M. Curie, H.A. Lorentz, A. Einstein, P. Langevin,
Ch. E. Guye, C.T.R. Wilson, O.W. Richardson