Georg
Bredig

Heidelberg University (Chemistry Tree)


Richard
Willstätter

Universität München (Chemistry Tree)


Ernest
Rutherford

Cambridge (Physics Tree)


Kazimierz
Fajans

University of Michigan (Chemistry Tree)


Theodore H.
Berlin

Rockefeller (Physics Tree)



Louis
Le Sergeant d’Hendecourt

Université Paris-Sud, Orsay / CNRS
(Options)

Louis Le Sergeant d’HendecourtX