Harold
Jeffreys

Cambridge (MathTree)


Hermann
Bondi

Cambridge


Roger J.
Tayler

Cambridge


Fred
Hoyle

Cambridge


Leon
Mestel

Trinity College, Cambridge


Walter
Baade

Mount Wilson Observatory


Allan Rex
Sandage

Mount Wilson-Palomar


Donald
Lynden-Bell

Royal Greenwich Observatory, Sussex


Stanley
Corrsin

Johns Hopkins







Masao
Takata

Cambridge
(Options)

Masao TakataX