Göran
Dillner

Uppsala universitet (MathTree)


Charles
Hermite

École Polytechnique, Sorbonne. (Physics Tree)


Karl
Weierstrass

Universität Berlin (Physics Tree)


Gösta Magnus
Mittag-Leffler

Helsingin yliopisto (MathTree)


Karl Gustav
Cassel

Stockholm University



Rudolf
Meidner

Stockholm University
(Options)

Rudolf MeidnerX