?


Robert
Balázs

UC Irvine


John E.
Wilson

Michigan State


Oscar
Hertwig

Universität Berlin


Giuseppe
Levi

University of Torino


Hans
Spemann

Albert-Ludwigs-Universität Freiburg


Viktor
Hamburger

Washington University




Eric Keightley
Rideal

Cambridge (Chemistry Tree)


Paley
Johnson

Cambridge (Chemistry Tree)


Farrington
Daniels

UW Madison (Chemistry Tree)


Peter J. W.
Debye

Cornell (Physics Tree)


John Warren
Williams

UW Madison (Chemistry Tree)





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