Rodney F C
Claridge

University of Canterbury




Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


Erwin
Schrödinger

Universität Wien (Physics Tree)




Max Tofield
Rogers

Michigan State








Frederick T.
Greenaway

Clark University

Xi
Chen

Clark University
(Options)

Xi ChenX