Marston T.
Bogert

Columbia (Chemistry Tree)


Richard
Willstätter

Universität München (Chemistry Tree)


Walter A.
Jacobs

Rockefeller Institute for Medical Research (Chemistry Tree)


Donald D.
Van Slyke

Rockefeller Institute for Medical Research (Chemistry Tree)


Michael
Heidelberger

Columbia (Neurotree)


Theodor "The" H. E.
Svedberg

Uppsala (Chemistry Tree)


Arne Wilhelm Kaurin
Tiselius

Uppsala (Chemistry Tree)


Elvin A.
Kabat

Columbia (Chemistry Tree)


Baruj
Benacerraf

Harvard Medical School (Neurotree)

Norman
Letvin

Harvard
(Options)

Norman LetvinX