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Henry Edward
Armstrong
Imperial College (Chemistry Tree)


Thomas Martin
Lowry
Cambridge (Chemistry Tree)


Walter Francis
Colby
University of Michigan (Physics Tree)

Oskar Benjamin
Klein
Stockholm University College (Physics Tree)

Harrison McAllister
Randall
University of Michigan (Physics Tree)

Niels
Bohr
Copenhagen University (Physics Tree)


David Mathias
Dennison
University of Michigan (Physics Tree)


Eric Keightley
Rideal
Cambridge (Chemistry Tree)


Charles Percy
Snow
UK government (Chemistry Tree)


Gordon B.B.M.
Sutherland
National Physical Laboratory, Teddington, U.K. (Chemistry Tree)


Willy (Wilhelm) Carl Werner Otto Fritz Franz
Wien
Universität Würzburg (Physics Tree)


Hans
Rau
(Physics Tree)


Paul Karl Ludwig
Drude
Universität Berlin (Physics Tree)

Emil Gabriel
Warburg
Universität Berlin (Physics Tree)

Heinrich
Rubens
Universität Berlin (Physics Tree)


James
Franck
Chicago (Physics Tree)


Woldemar
Voigt
Universität Göttingen (Physics Tree)

Karl
Schwarzschild
Astrophysical Observatory Potsdam (Physics Tree)

Carl
Runge
Universität Göttingen (Neurotree)

David
Hilbert
Universität Göttingen (Physics Tree)

Joseph John
Thomson
Cambridge (Physics Tree)

Joseph
Larmor
Cambridge (Physics Tree)


Max
Born
Edinburgh (Physics Tree)


Gerhard
Herzberg
National Research Council, Canada (Chemistry Tree)


Alister Vallance
Jones
University of Saskatchewan (Physics Tree)


Otto
Hilger
Adam Hilger, Ltd. (Physics Tree)


Frank
Twyman
Hilger and Watts, Ltd. (Physics Tree)


Gordon Frederick
Lothian
Hilger and Watts, Ltd. (Physics Tree)


Edward J.
Llewellyn
University of Saskatchewan (Physics Tree)

Wayne Frederick John
Evans
York University
(Options)

Christopher E.
Sioris
Harvard Smithsonian Center for Astrophysics (Chemistry Tree)

Randall Vaughn
Martin
Dalhousie University (Chemistry Tree)

Wayne EvansX