John
Hazlehurst

University of Manchester




Zdeněk
Kopal

University of Manchester


Sydney
Chapman

Oxford (MathTree)


Franz D.
Kahn

University of Manchester


Richard N.
Henriksen

Queen's University, Canada






Paul Willard
Merrill

Mount Wilson Observatory (Astronomy Tree)




Andrew David
Thackeray

Cambridge (Astronomy Tree)


John B.
Hutchings

University of Victoria (Astronomy Tree)






J. Anthony
Burke

University of Victoria (Astronomy Tree)



Ronald M.
Blake

York University
(Options)

Ronald BlakeX