Gilbert N.
Lewis

UC Berkeley


James
Franck

Chicago






Frederic Poole
Gorham

Brown (ID Tree)










Percy Williams
Bridgman

Harvard (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


John Clarke
Slater

UF Gainesville


Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)







Suhail P.
Shah

Chicago
(Options)

Suhail ShahX