Friedrich
Hasenöhrl

Vienna University


Arnold Johannes Wilhelm
Sommerfeld

Universität München


Karl F.
Herzfeld

Catholic University


Joseph
Sweetman Ames

Johns Hopkins






Gregory
Breit

SUNY Buffalo


Christian
Christiansen

Copenhagen University






Niels
Bohr

Copenhagen University





Daniel E.
Holz

Chicago
(Options)

Daniel HolzX