Elmer V.
McCollum

Johns Hopkins (Chemistry Tree)


Dennis R.
Hoagland

UC Berkeley (Chemistry Tree)




Frits Warmolt
Went

Washington University (Chemistry Tree)




Alfred Henry
Sturtevant

Caltech (Neurotree)




Hendrik G.
Bungenberg de Jong

Leiden (Chemistry Tree)


Albert
Frey-Wyssling

ETH Zürich (Chemistry Tree)


James Frederick
Bonner

Caltech (Neurotree)





Jorge Vicente
Conde

Centro Nacional de Biotecnología CNB-CSIC
(Options)

Jorge CondeX