Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)


Niels
Bohr

University of Copenhagen (Physics Tree)


Erwin
Schrödinger

Universität Wien (Physics Tree)










Edwin Crawford
Kemble

Harvard (Physics Tree)


John H.
van Vleck

Harvard (Physics Tree)


Théophile
De Donder

Free University of Brussels (Physics Tree)


Ilya
Prigogine

Free University of Brussels





Mu
Gao

UIUC
(Options)

Mu GaoX