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Antonius
Brugmans
RUG (Physics Tree)





Gerard
Vrolik
Athenaeum Illustre Amsterdam (Chemistry Tree)
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Dirk
van Rhijn
Athenaeum Illustre Amsterdam (Chemistry Tree)


Johannes
Horthemels
Utrecht (Philosophy Tree)


Dionysius
van de Wijnpersse
Leiden (Philosophy Tree)


Bernardus
Nieuhoff
University of Harderwijk (Philosophy Tree)


Johann Gottlob
Krüger
Friedrichs-Universität Halle (Chemistry Tree)


Heinrich Friedrich
Delius
Universität Erlangen (Chemistry Tree)


Philipp Heinrich
Boecler
University of Strasbourg


Johann Friedrich
Lobstein, Sr.
University of Strasbourg






Rudolph
Forsten
University of Harderwijk (Chemistry Tree)


Johan Carl
Krauss
Leiden (Chemistry Tree)


Caspar Georg Carl
Reinwardt
University of Harderwijk, Leiden University (Chemistry Tree)

Willem Hendrik
de Vriese
Leiden
(Options)

Willem Frederik Reinier
Suringar
Leiden (Chemistry Tree)

Hugo
de Vries
Amsterdam (Evolution Tree)

Melchior
Treub
Botanical Gardens in Buitenzorg (Chemistry Tree)

William
Burck
Botanical Gardens in Buitenzorg (Systematics Tree)

Jacob Gijsbert
Boerlage
Botanical Gardens in Buitenzorg (Systematics Tree)

Martinus Willem
Beijerinck
Delft University of Technology (ID Tree)

Willem de VrieseX