William Edward
Curtis

Durham University


L.C.H. Friedrich
Paschen

Universität Tübingen


Alfred
Fowler

Normal School of Science, London




Samuel
Tolansky

Royal Holloway College, London
?


Louis Claude
Martin

Imperial College of Science and Technology, London, UK


Dan Joseph
Bradley

Imperial College of Science and Technology, London, UK


Martin C.
Richardson

University of Central Florida

Chiew-Seng
Koay

University of Central Florida
(Options)

Chiew-Seng KoayX