William Keith
Brooks

Johns Hopkins (DevTree)


Theodor Heinrich
Boveri

Julius-Maximilians-Universität Würzburg


Hans
Driesch

Universität Leipzig (DevTree)


Edmund Beecher
Wilson

Columbia (DevTree)


John Strong
Newberry

Columbia (Geotree)


Bashford
Dean

American Museum of Natural History (Evolution Tree)
?


Philip Hanson
Hiss

Columbia University Medical School (ID Tree)


Hans
Zinsser

Harvard (ID Tree)


John F.
Enders

Children's Hospital Boston (ID Tree)

Sidney
Kibrik

BU School of Medicine
(Options)

Sidney KibrikX