William Morton
Wheeler

Harvard (Chemistry Tree)


Charles Thomas
Brues

Harvard (FlyTree)


Carroll M.
Williams

Harvard (FlyTree)


John Scott
Haldane

Oxford (Physiology Academic Tree)




Frederick Gowland
Hopkins

Cambridge (Chemistry Tree)


Joseph
Needham

Cambridge (DevTree)


Hans
Spemann

Universität Freiburg


Otto
Mangold

Universität Erlangen (DevTree)


Conrad Hal
Waddington

Edinburgh (DevTree)


Richard
Lockshin

St. John's University (New York)

Caroline O.
Facey

St. John's University (New York)
(Options)

Caroline FaceyX