?






Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


Erwin
Schrödinger

Universität Wien (Physics Tree)








William N.
Lipscomb

University of Minnesota, Harvard



Alexander
Sobolevsky

Columbia
(Options)

Edward C
Twomey

Harvard Medical School

Alexander SobolevskyX