Oscar
Hertwig

Universität Berlin


Paul
Ehrlich

Berlin Institute of Infectious Diseases (ID Tree)


Moritz
Litten

Universität Berlin


Ernst Viktor
von Leyden

Charité Berlin


Leonor
Michaelis

Rockefeller Institute for Medical Research




Lewis Hill
Weed

Johns Hopkins Medical School




Joseph
Barcroft

Cambridge


?


Joel F.
Habener

Harvard University, HHMI


?


Mitchel
Berger

UCSF Medical Center
?


?


Jerrold R.
Turner

Chicago (Biomechanics Tree)


David R.
Raleigh

Chicago (Biomechanics Tree)

Stephen T.
Magill

UCSF
(Options)

Stephen MagillX