Joseph G.
Gall

Carnegie Institution for Science


Paul
Jaccard

ETH Zürich (Chemistry Tree)


Albert
Frey-Wyssling

ETH Zürich (Chemistry Tree)


Herman Elisa
Dolk

Caltech (Chemistry Tree)


Frits Warmolt
Went

Washington University (Chemistry Tree)


Kenneth Vivian
Thimann

Harvard (Terrestrial Ecology Tree)






Hendrik G.
Bungenberg de Jong

Leiden (Chemistry Tree)


Albert
Frey-Wyssling

ETH Zürich (Chemistry Tree)


James Frederick
Bonner

Caltech (Neurotree)


Max L.
Birnstiel

Universität Zürich (Chemistry Tree)




William Keith
Brooks

Johns Hopkins (DevTree)


Hans
Driesch

Universität Leipzig (DevTree)






Fritz
Baltzer

University of Berne (Neurotree)


Ernst
Hadorn

Universität Zürich


Walter
Gehring

University of Basel, Yale


Fritz
Baltzer

University of Berne (Neurotree)


Ernst
Hadorn

Universität Zürich




Edward
Novitski

University of Oregon







Jym
Mohler

(Options)

Jym MohlerX