Wilhelm
Schlenk

Vienna University, Berlin (Chemistry Tree)


Herman F.
Mark

Polytechnic University (Chemistry Tree)


Hans
Boersch

TU Berlin




Paul
Scherrer

ETH Zürich


James
Franck

Chicago






Dieter
Wohlleben

University of Cologne

Axel
Freimuth

University of Cologne
(Options)

Axel FreimuthX