Franz
Röhmann

University of Breslau (Chemistry Tree)


Julius
Bernstein

Universität Berlin




Ernst
Laqueur

Amsterdam


Ernst
Laqueur

Amsterdam


Samuel E.
de Jongh

Leiden (Chemistry Tree)




Joannes Franciscus
Crul

Radboud University Nijmegen
?


Peter
Safar

University of Pittsburgh

Hans H.L.
Hendrickx

Radboud University Nijmegen
(Options)

Hans HendrickxX