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Alexander
Agassiz
Harvard (Chemistry Tree)


William Keith
Brooks
Johns Hopkins (DevTree)


Karl Wilhelm
von Kupffer
Universität München (DevTree)

Richard Carl Wilhelm Theodor Ritter von
Hertwig
Universität München (Neurotree)


Theodor Heinrich
Boveri
Universität Würzburg (DevTree)


Oscar
Hertwig
(DevTree)

Christian Ernst
Stahl
Universität Jena (Evolution Tree)

Ernst Heinrich
Haeckel
Universität Jena (Neurotree)


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


Hans
Zinsser
Harvard


Francis
Delafield
Columbia University Medical School

Robert
Koch
Universität Berlin


Theophil Mitchell
Prudden
Rockefeller Institute for Medical Research


William Hallock
Park
New York City Board of Health
?


Almroth
Wright
St. Mary's Hospital Medical School


Franz Coelestin
Schneider
University of Vienna (Chemistry Tree)

Max Joseph
von Pettenkofer
Universität München

Carl
von Voit
Ludwig-Maximilians-Universität München (Chemistry Tree)

Carl Friedrich Wilhelm
Ludwig
Universität Leipzig (Neurotree)


Max
von Gruber
Institute for Hygiene, Munich


Benjamin
White
Rockefeller


Oswald T.
Avery
Rockefeller

Frank L.
Horsfall, Jr.
Rockefeller Institute for Medical Research
(Options)

Igor
Tamm
Rockefeller

Pravin B.
Sehgal
New York Medical College (Cell Biology Tree)


Richard
Franklin
University of Basel (Chemistry Tree)

James Slater
Murphy
Rockefeller (Chemistry Tree)


Arnold
Levine
Institute for Advanced Study (Neurotree)

Frank Horsfall, Jr.X