Fred
Hoyle

Cambridge


Leon
Mestel

Trinity College, Cambridge


Walter
Baade

Mount Wilson Observatory


Allan Rex
Sandage

Mount Wilson-Palomar




Simon David Manton
White

Max-Planck-Institut für Astrophysik

Hans-Walter Reinhard
Rix

Max Planck Institute for Astronomy
(Options)

Daniel H.
McIntosh

University of Arizona

Gregory H.
Rudnick

University of Arizona

Gregory Maurice
Green

Max Planck Institute for Astronomy

Hans-Walter RixX