Einstein With "Classmates"

Back row L-R: A Piccard, E Henriot, P Ehrenfest, Ed Herzen, Th. De Donder, E Schroedinger, E Verschaffelt, W Pauli, W Heisenberg, R. H Fowler, L Brillouin
Middle row L-R: P Debye, M Knudsen, W. L Bragg, H. A Kramers. P. A. M Dirac, A. H Compton, L. V. De Broglie, M Born, N Bohr
Front row: L-R: Angmeir, M Planck, M Curie, H. A Lorentz, A Einstein, P Langevin, Ch. E Guye, C. T. R Wilson, O. W Richardson