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)


Adrianus Dirk Jacob
Meeuse

Amsterdam (Plant Biology Tree)

Hans J.C.M.
den Nijs

Amsterdam
(Options)

Renate A.
Wesselingh

Louvain University

Véronique
Ducarme

Louvain University

Jérôme
Vrancken

Louvain University

Hans den NijsX