Max
Born

Edinburgh (Physics Tree)


Niels
Bohr

Copenhagen University (Physics Tree)


Ralph H.
Fowler

Cambridge (Physics Tree)


Edward Arthur
Milne

Oxford (MathTree)




Elis
Strömgren

Copenhagen University (Physics Tree)




Donald E.
Osterbrock

UC Santa Cruz


Holland C.
Ford

Johns Hopkins (Physics Tree)


Lyman
Spitzer

Princeton


George
Gamow

CU Boulder (Physics Tree)


John Archibald
Wheeler

UT Austin (Physics Tree)














Lyman
Spitzer

Princeton


Carl E.
Heiles

UC Berkeley


Peter
McCullough

Johns Hopkins (Physics Tree)

Veselin
Kostov

Johns Hopkins
(Options)

Veselin KostovX