Marie
Skłodowska Curie

Université Paris-Sorbonne


Emile
Henriot

Free University of Brussels


Hermann Klaus Hugo
Weyl

Institute for Advanced Study (MathTree)


Albert
Einstein

Princeton


Paul
Scherrer

ETH Zürich






Fritz
Zwicky

Caltech (Astronomy Tree)


Ludwig
Prandtl

Universität Göttingen


Theodore
von Kármán

Caltech (Fluid Dynamics and Combustion Tree)


Pol E.
Duwez

Caltech



Theodore A.
Waniuk

Caltech
(Options)

Theodore WaniukX