Johann Friedrich
Pfaff

Universität Halle-Wittenberg


Abraham Gotthelf
Kästner

Universität Göttingen


Georg Christoph
Lichtenberg

Universität Göttingen (Meteorology Tree)


Johann Martin Christian
Bartels

Kazan State University (Neurotree)


Nikolai Ivanovich
Lobachevsky

Lomonosov Moscow State University (Neurotree)
?


August Gottlieb
Meissner

Charles University (Neurotree)


Joseph Johann
von Littrow

Charles University


Nikolai Dmitrievich
Brashman

Moscow State University

Pafnuty Lvovich
Chebyshev

(Options)

Alexander N.
Korkin

Saint-Petersburg State University (Physics Tree)

Dmitry
Grave

(Physics Tree)

Aleksandr
Lyapunov

Vasyl Karazin Kharkiv National University (Physics Tree)

Vladimir Andreevich
Steklov

St Petersburg State University (Physics Tree)

Andrei
Markov

University of St. Petersburg

Georgy Fedoseevich
Voronoy

St. Petersburg State University

Pafnuty ChebyshevX