Augustus Edward Hough
Love

Oxford (MathTree)


Edmund Taylor
Whittaker

Cambridge (MathTree)


G H (Godfrey Harold)
Hardy

Cambridge (Neurotree)


Frank
Morley

Johns Hopkins (MathTree)


Harry
Bateman

Caltech (Physics Tree)


C. L. Ferdinand
Lindemann

Universität München (Physics Tree)


Arnold Johannes Wilhelm
Sommerfeld

Universität München (Physics Tree)


Peter J. W.
Debye

Cornell (Physics Tree)


Fritz
Zwicky

Caltech

Albert George
Wilson

Lowell Observatory
(Options)

Albert WilsonX