The photograph originates from: M. Eckert, Die Atomphysiker - Eine Geschichte der Theoretischen Physik am Beispiel der Sommerfeldschule. Vieweg Verlag, Braunschweig (Germany), 1993. |
(With some guesses from this website - please help me if you can to identify some of the unknowns:) Front row, left to right: Heisenberg, Dirac, X1, Hund Back row, left to right: X2, X3, X4, Mulliken, X5 |