Max
Born

Edinburgh (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


Ralph H.
Fowler

Cambridge (Physics Tree)


Edward Arthur
Milne

Oxford (MathTree)




Leon
Mestel

Trinity College, Cambridge


Allan Rex
Sandage

Mount Wilson-Palomar (Physics Tree)






Edmund W.
Bertschinger

MIT (Physics Tree)


Marcel G.J.
Minnaert

Utrecht (Physics Tree)






Leon
Mestel

Trinity College, Cambridge


Allan Rex
Sandage

Mount Wilson-Palomar (Physics Tree)




Simon David Manton
White

Max-Planck-Institut für Astrophysik



Robyn Ellyn
Sanderson

RUG
(Options)

Robyn SandersonX