Franciscus
Donders

Utrecht (Neurotree)


Adrianus
Heynsius

Leiden (Neurotree)


Thomas
Place

Amsterdam (Neurotree)


Theodor Wilhelm
Engelmann

Utrecht University, University of Berlin (Neurotree)


Caspar Hendrik
Kuhn

Amsterdam (Neurotree)


Hendrik
Zwaardemaker

Utrecht (Neurotree)


Willem Frederik Reinier
Suringar

Leiden (Chemistry Tree)


Hugo
de Vries (DeVries)

Amsterdam (Evolution Tree)


Hermann
Schacht

Universität Bonn (Systematics Tree)


Ernst Heinrich
Haeckel

Universität Jena (Neurotree)


Nathanael
Pringsheim

University of Jena (Marine Ecology Tree)


Eduard Adolf
Strasburger

Universität Bonn (Marine Ecology Tree)




Willem Frederik Reinier
Suringar

Leiden (Chemistry Tree)


Martinus Willem
Beijerinck

Delft University of Technology (ID Tree)


Gerrit
van Iterson

Delft University of Technology (ID Tree)



Anton
Quispel

Leiden
(Options)

Anton QuispelX