Sydney
Chapman

Oxford (MathTree)


Franz D.
Kahn

University of Manchester




Bart J.
Bok

University of Arizona




Robert Raynolds
McMath

University of Michigan


Leo
Goldberg

University of Michigan


Fred
Hoyle

Cambridge


Bernard Ephraim Julius
Pagel

Royal Greenwich Observatory, Sussex


Harrie
Massey

UCL (Physics Tree)







Weidong
Li

Lick Observatory
(Options)

Weidong LiX