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

University of Copenhagen






Niels
Bohr

University of Copenhagen





Daniel E.
Holz

Chicago
(Options)

Daniel HolzX