William Keith
Brooks

Johns Hopkins (DevTree)


Theodor Heinrich
Boveri

Universität Würzburg


Hans
Driesch

Universität Leipzig (DevTree)


Edmund Beecher
Wilson

Columbia (DevTree)


William Keith
Brooks

Johns Hopkins (DevTree)


Hans
Driesch

Universität Leipzig (DevTree)


Thomas Hunt
Morgan

Caltech (FlyTree)


Hans
Spemann

Universität Freiburg


Viktor
Hamburger

Washington University


Hans L.
Przibram

Institute of the Academy of Sciences in Vienna




Paul A.
Weiss

Rockefeller Institute for Medical Research


Lewis Hill
Weed

Johns Hopkins Medical School


George B.
Wislocki

Harvard Medical School


Marcus
Singer

Case Western




Alfred Clarence
Redfield

Harvard (Chemistry Tree)


Thomas
Stevenson

King's College (Chemistry Tree)


Michael
Foster

Cambridge


Frederick Gowland
Hopkins

Cambridge (Chemistry Tree)


Frank Rattray
Lillie

Chicago (DevTree)


Soren P. L.
Sørensen

University of Copenhagen, Carlsberg Laboratory (Chemistry Tree)


Edwin Joseph
Cohn

Harvard (Chemistry Tree)




William Morton
Wheeler

Harvard (Chemistry Tree)




Carroll M.
Williams

Harvard (FlyTree)



Hans
Kelstrup

University of Washington
(Options)

Hans KelstrupX