William
Neilson-Jones

Bedford College, University of London


Philip Frank
Wareing

University College of Wales, Aberystwyth


I. D. J.
Phillips

University College of Wales, Aberystwyth






Joseph E
Varner

Washington University


Erwin
Baur

Kaiser-Wilhelm-Institut für Züchtungsforschung


Elisabeth
Schiemann

Deutsche Forschungshochschule


Fritz
von Wettstein

Kaiser-Wilhelm-Institut für Biologie


Georg
Melchers

Kaiser-Wilhelm-Institut für Biologie




Frits Warmolt
Went

Washington University (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)


Anton
Lang

Michigan State


Russell L
Jones

UC Berkeley

David
Stuart

UC Berkeley
(Options)

David StuartX