Eilhard Ernst Gustav
Wiedemann

University of Erlangen (Physics Tree)


Ernest
Rutherford

Cambridge (Physics Tree)


Hans
Geiger

Technische Hochschule Berlin (Physics Tree)


Helmut
Volz

Universität Tübingen (Physics Tree)


Hanns
Ruder

University of Erlangen-Nuremberg (Astronomy Tree)
?


Michael H.
Soffel

TU Dresden (Physics Tree)

Eberhard
Gill

Delft University of Technology
(Options)


Rui
Sun

Delft University of Technology (Physics Tree)

Eberhard GillX