Walter Daniel
Bonner

Queens University


Manne
Siegbahn

Royal Swedish Academy of Sciences (Physics Tree)


Peter
Pringsheim

Universität Berlin (Physics Tree)




Harold S.
Johnston

UC Berkeley












Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


Erwin
Schrödinger

Universität Wien (Physics Tree)








Leonard R.
Ingersoll

UW Madison (Physics Tree)


Ernest Brown
Skinner

UW Madison (Physics Tree)


Percy Williams
Bridgman

Harvard (Physics Tree)


Edwin Crawford
Kemble

Harvard (Physics Tree)


John H.
van Vleck

Harvard (Physics Tree)


Théophile
De Donder

Free University of Brussels


Ilya
Prigogine

Free University of Brussels





David Arthur
Mazziotti

Chicago
(Options)

David MazziottiX