John
Hazlehurst

University of Manchester (Physics Tree)




Zdeněk
Kopal

University of Manchester


Sydney
Chapman

Oxford (MathTree)


Franz D.
Kahn

University of Manchester


Richard N.
Henriksen

Queen's University, Canada (Physics Tree)


Lyman
Spitzer

Princeton




Lyman
Spitzer

Princeton


Leonard
Searle

Carnegie Observatories


Pierre
Demarque

Yale (Physics Tree)


Brian
Chaboyer

Dartmouth

Gregory A.
Feiden

Dartmouth
(Options)

Gregory FeidenX