Joseph John
Thomson

Cambridge (Physics Tree)


Owen Willans
Richardson

Cambridge (Physics Tree)


Ernest
Rutherford

Cambridge (Physics Tree)


Howard Turner
Barnes

McGill (Physics Tree)


Joseph John
Thomson

Cambridge (Physics Tree)


H. Lester
Cooke

Princeton (Physics Tree)


Arthur Holly
Compton

Washington University (Physics Tree)


Luis W.
Alvarez

UC Berkeley (Physics Tree)

Arthur C.
Clarke

University of London
(Options)

Arthur ClarkeX