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

Ma'an N.
Raja Al-Ani

University of Central Florida
(Options)

Ma'an Raja Al-AniX