J. Lawrence
Oncley

University of Michigan




Frederic Poole
Gorham

Brown (ID Tree)










Percy Williams
Bridgman

Harvard (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


John Clarke
Slater

UF Gainesville


Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)






Ignacio
Tinoco

UC Berkeley




Herman Augustus
Spoehr

Carnegie Institution of Washington




Georg Hermann
Quincke

Universität Heidelberg (Physics Tree)












Frits Warmolt
Went

Washington University


Samuel Barnett
Schryver

Imperial College






Alfred Henry
Sturtevant

Caltech (Neurotree)


Hugo
de Vries

Amsterdam (Evolution Tree)


Eduard Adolf
Strasburger

Universität Bonn (Marine Ecology Tree)




Hugo R.
Kruyt

Utrecht




Paul
Jaccard

ETH Zürich






Paul O. P.
Ts'o

Johns Hopkins (Neurotree)

Philip N.
Borer

Syracuse
(Options)

Philip BorerX