Carl Howard
Collie

Oxford (Physics Tree)


David M.
Ritson

Stanford (Physics Tree)


Enrico
Fermi

Chicago (Physics Tree)


Robert A.
Schluter

Northwestern (Physics Tree)


Giovanni G.
Fazio

Harvard Smithsonian Center for Astrophysics


Karl Taylor
Compton

MIT (Physics Tree)


Ernest
Rutherford

Cambridge (Physics Tree)


James
Franck

Chicago (Physics Tree)


Henry DeWolf
Smyth

Princeton (Physics Tree)


Hugh Longbourne
Callendar

McGill (Physics Tree)


William Francis Gray
Swann

National Bureau of Standards (Physics Tree)


Joseph John
Thomson

Cambridge (Physics Tree)


Alexander William
Bickerton

Canterbury College in Christchurch (Physics Tree)


Arthur
Schuster

University of Manchester (Physics Tree)


Ernest
Rutherford

Cambridge (Physics Tree)


Kenneth T.
Bainbridge

Harvard (Physics Tree)


George H.
Rieke

University of Arizona

Joannah L.
Hinz

University of Arizona
(Options)

Joannah HinzX