William Francis Gray
Swann

National Bureau of Standards


Ernest O.
Lawrence

UC Berkeley




Alexander William
Bickerton

Canterbury College in Christchurch


Arthur
Schuster

University of Manchester




Eilhard Ernst Gustav
Wiedemann

University of Erlangen




Hans
Geiger

Technische Hochschule Berlin


James
Chadwick

Cambridge


Harold
Walke

Liverpool University






Balfour
Stewart

University of Manchester






John
Tyndall

The Royal Institution of Great Britain (Chemistry Tree)


Thomas Henry
Huxley

(Evolution Tree)


Edward
Frankland

Royal College of Chemistry (Neurotree)


Alexander William
Bickerton

Canterbury College in Christchurch


Gustav Robert
Kirchhoff

Universität Berlin


Balfour
Stewart

University of Manchester


Wilhelm Eduard
Weber

Universität Leipzig


Hermann
von Helmholtz

Physikalisch-Technische Reichsanstalt






Arthur
Schuster

University of Manchester




Wilhelm Gottlieb
Hankel

Universität Leipzig


Eilhard Ernst Gustav
Wiedemann

University of Erlangen




Alexander William
Bickerton

Canterbury College in Christchurch


Arthur
Schuster

University of Manchester




Hans
Geiger

Technische Hochschule Berlin


James
Chadwick

Cambridge

John Riley
Holt

Liverpool University
(Options)

Albert Edward
Litherland

University of Toronto

Ilia
Tomski

University of Toronto

David W. O.
Rogers

Carleton University

John HoltX