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Giuseppe
Pisati
Sapienza Università di Roma (Physics Tree)


Andreas
von Ettingshausen
Vienna University (Physics Tree)

Victor
Regnault
Manufacture National of Sèvres (Physics Tree)


Pietro
Blaserna
University of Rome (Physics Tree)


Pietro
Blaserna
University of Rome (Physics Tree)

Woldemar
Voigt
Universität Göttingen (Physics Tree)


Alfonso
Sella
University of Rome (Physics Tree)


Quirino
Majorana
Università di Bologna (Physics Tree)


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)


Bruno Benedetto
Rossi
MIT (Physics Tree)

Robert H.
Rediker
MIT
(Options)

Robert RedikerX