Paul Karl Ludwig
Drude

Universität Berlin (Physics Tree)


Emil Gabriel
Warburg

Universität Berlin


Heinrich
Rubens

Universität Berlin (Physics Tree)


James
Franck

Chicago


Theodore T.
Puck

University of Colorado, Denver












Bashford
Dean

American Museum of Natural History (Evolution Tree)


Philip Hanson
Hiss

Columbia University Medical School (ID Tree)


Hans
Zinsser

Harvard (ID Tree)




John Newport
Langley

Cambridge (Neurotree)


Henry Hallett
Dale

National Institute for Medical Research, London


Alwin M.
Pappenheimer, Jr

NYU Medical School


William Keith
Brooks

Johns Hopkins


Hans
Driesch

Universität Leipzig (DevTree)




Edouard
Chatton

(ID Tree)


Felix
Mesnil

Institut Pasteur (ID Tree)


Otto Fritz
Meyerhof

Kaiser Wilhelm Institut, Berlin


David
Keilin

Cambridge


André Michel
Lwoff

Institut Pasteur (ID Tree)


Jacques Lucien
Monod

Institut Pasteur


Melvin
Cohn

Salk Institute

Martin G.
Weigert

Chicago
(Options)

Martin WeigertX