Philipp W.
Owsyannikow

University of Saint Petersburg


Sergei Petrovich
Botkin

Medical-Surgical Academy (ID Tree)


Carl Friedrich Wilhelm
Ludwig

Universität Leipzig


Ivan Petrovich
Pavlov

Imperial Medical Academy


Horsley
Gantt

Johns Hopkins Medical School


Wagner H.
Bridger

Medical College of Pennsylvania

Gordon A.
Barr

(Options)

Gordon BarrX