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William Keith
Brooks

Johns Hopkins (DevTree)


Hans
Driesch

Universität Leipzig (DevTree)


Thomas Hunt
Morgan

Caltech (FlyTree)


Hermann J.
Muller

University of Texas, University of Indiana (FlyTree)


Elof Axel
Carlson

Indiana University Bloomington (FlyTree)

John Leslie
Southin

Queen's University, Canada
(Options)

John SouthinX